82.SAT句子提升The science teacher uses an erector set simulating

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82.SAT句子提升
The science teacher uses an erector set simulating the structure of human DNA,which she rearranges to represent different mutations and variations.
A.
B.uses an erector set to simulate the structure of human DNA
C.simulates the structure of human DNA by using an erector set
为什么选C不选B?which应该指代the structure of human DNA,而不是 erector set
划线部分：The science teacher （uses an erector set simulating the structure of human DNA）,which she rearranges to represent different mutations and variations.

你确定是C?出自哪里的题目?
再问：确定，。题目来自李安整理的【李安120题】，。我觉得只有the structure of human DNA才能被rearranges从而产生different mutations and variations。

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