Section: Logical Reasoning
33)
Nutritionist:Recent studies show that the height of the average American has increased 2 inches in the past 10 years, lending support to the view that modern foods stimulate growth.
The argument would be strengthened by pointing out that
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Explanation
(B) and (E) weaken the argument, (A) repeats the argument, and (C) makes no sense, since "average height" is a single composite of all heights.
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Barrons Educational Series.