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#35325
Complete Question Explanation

Strengthen—PR. The correct answer choice is (D)

Mike believes that his use of Tom’s computer is not wrong, in spite of the fact that Tom did not tell
him that he could use it. In Mike’s opinion, his use without permission is justified by the fact that
Tom had done something similar to Mary, borrowing her bike the previous week without having
been given permission.

The question stem asks for the principle that would “most justify” (in other words, strengthen)
Mike’s argument. The correct answer choice should support Mike’s apparent belief that people
should expect to be treated the way that they themselves treat others.

Answer choice (A): This choice basically provides that in some cases (at least one) borrowing
something without asking is not theft. Since this principle does not define the line between theft
and non-theft, let alone between right and wrong, it does not bolster Mike’s argument, so it should
be ruled out of contention. If the stimulus dealt instead with the issue of whether or not Mike’s act
constituted theft, this principle might help in Mike’s defense, but it does not help to justify Mike’s
borrowing without permission.

Answer choice (B): This answer provides that in some cases, it is permissible not to tell the
truth. This is a pretty weak claim to begin with (...that there is at least one case in which lying is
permissible), and beyond that, this principle is not applicable to Mike’s discussion; the stimulus does
not deal with the issue of lying, so a principle dictating that sometimes lies are permissible would not
have any effect on the strength of Mike’s argument.

Answer choice (C): If you were among the test takers who picked this answer choice, you are in
good company—as with many incorrect answer choices, this one is just a little bit off. This choice
provides that if someone has borrowed from you without asking, it is alright for you to treat them
in the same way. The problem with this answer choice is that Mike isn’t treating Tom the way Tom
treated Mike—Mike is treating Tom the way that Tom treated Mary.

Answer choice (D): This is the correct answer choice, which basically says that it is acceptable
to treat someone the same way they treat others. As discussed above, the basis of Mike’s argument
is that his own behavior is justified by Tom’s behavior; since Tom treated Mary in the same manner,
borrowing something without permission, Mike believes that it is permissible to treat Tom the same
way.

Answer choice (E): This answer choice defines some actions as wrong based on the harm they cause.
The stimulus does not delve into the issue of harm, and a principle saying that it’s wrong to harm
someone by taking their property would not help to justify Mike’s use of Tom’s computer without
his permission. There is no way to determine whether anyone mentioned has been harmed, so this
principle plays no role in Tom’s reasoning.

As with answer choice (C), this choice is appealing in part because of the topic discussed—
borrowing the property of others. The correct answer choice does not explicitly mention borrowing.
 anahi78
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#12377
For me choice C seems to be the most logical since it contains property, possession and wrong. What am I missing? thanks!
 Ron Gore
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#12389
Hi, Anahi!

Thanks for your question, which brings up a great point of general application. Answer choice (C) has some very attractive key words (i.e., property, permission, wrong), just like you point out. However, simply ooking at key words without considering the context of the answer choice is a very efficient way of getting to the wrong answer choice quickly.

In the stimulus, Mike never says that Tom had borrowed anything from him without permission. Mike's conclusion that it would not be wrong for him to borrow Tom's computer without express permission results from Mike applying a certain rule to the fact that Tom had borrowed Mary's bicycle without her express permission.

This is a Strengthen - Principle question, so your task is to select an answer choice that contains a rule best supporting Mike's conclusion. The rule Mike applies produces this thought process: since Tom borrowed Mary's bicycle without permission, then I can borrow Tom's computer without permission. In the abstract, since Person A treated Person B in this way, then it is not wrong for me to treat Person A in the same way. Answer choice (D) presents a restatement of this rule: It is permissible to treat people in a way that is similar to the way in which they have treated others.

The answer choice you selected, (C), is incorrect because the stimulus does not say that Tom previously used Mike's property without permission. While it's easy to paraphrase the language in these answer choices, you have to be very careful to ensure that you can connect the language in the answer choice to information in the stimulus. That connection is the only way you can ensure the answer choice is relevant. Here, answer choice (C) is not relevant to the conclusion, because it describes a rule to be applied when your own property is first used by someone, rather than when a person first uses someone else's property.

Also, please consider this. If you selected answer choice (C), on what basis did you eliminate answer choice (D)?

Thanks!

Ron

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