Assumption-CE. The correct answer choice is (D)
The conclusion of this article is presented in the first sentence: sugar consumption may worsen ADD in children. This is based on a single premise: sugar can increase adrenaline production, especially when the sugar is in candy:
- Premise: sugar can cause adrenaline increase: Sugar → adrenaline
Conclusion: sugar can worsen ADD: Sugar → ADD worse
The supporter assumption we seek in response to this question must link the two rogue elements: adrenaline increase and ADD exacerbation.
Answer choice (A): since the stimulus does not deal with children without ADD, this answer choice deals with a completely different population and is thus irrelevant.
Answer choice (B): The stimulus is not about causing ADD, it's about causing exacerbation of ADD, so this answer choice is incorrect.
Answer choice (C): The author does not delve into the treatment of ADD, instead focusing on ADD exacerbation caused by sugar.
Answer choice (D): This is the correct answer choice, providing the exact supporter assumption necessary to link the rogue elements: Increased adrenaline can exacerbate ADD in children.
Answer choice (E): The point of the reference to candy is that it worsens the effects of sugar, not that other types of sugar have no significant effect on adrenaline levels.