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(See the complete passage discussion here: lsat/viewtopic.php?t=10960)
The correct answer choice is (C)
To answer this question, you need to understand the purpose behind each passage, and identify a goal they have in common. As discussed in Passage Similarities and Differences above, both authors describe scientific studies conducted on the topic of animal communication. This is a broad prephrase, but it helps eliminate every answer choice except for answer choice (C), which is correct.
Answer choice (A): Neither author claims that nonhuman animals possess human-like intelligence.
Answer choice (B): Passage A is not concerned with primates at all, while Passage B only mentions them in the first paragraph.
Answer choice (C): This is the correct answer choice, as it reflects a commonality of purpose shared by both passages.
Answer choice (D): This answer choice may seem attractive, because it captures well enough the purpose of Passage A. However, Passage B is not concerned with detailing the controversy over why honeybees dance. The author of Passage B mentions the function of the honeybee’s dance in the second paragraph (to find food sources), but does not regard it as particularly controversial.
Answer choice (E): Neither passage analyzes the conditions under which a symbolic system can be considered a language. In fact, only Passage B describes some instances of animal communication as symbolic (line 38).