To answer this question, we need to identify that the flaw occurs at Susan's 2nd paragraph. Her main argument point for the whole is the 1st sentence in her first paragraph. "Those who oppose experimentation on animals do not properly value the preservation of human life." Choice A is only just repeating her words. The underlying meaning is choice E. Therefore, E is the best answer.
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发表于 2009-5-1 12:22:00
