请问prep 106中那个it究竟是指什么呢？

shiningsmile · 发表于 2012-3-1 21:02:35

Officials at the United States Mint believe that the Sacagawea dollar coin will be used more as a substitute for four quarters rather than for the dollar bill because its weight, only 8.1 grams, is far less than four quarters, which weigh 5.67 grams each.

(A) more as a substitute for four quarters rather than for the dollar bill because its weight, only 8.1 grams, is far less than
(B) more as a substitute for four quarters than the dollar bill because it weighs only 8.1 grams, far lighter than
(C) as a substitute for four quarters more than for the dollar bill because it weighs only 8.1 grams, far less than
(D) as a substitute for four quarters more than the dollar bill because its weight of only 8.1 grams is far lighter than it is for
(E) as a substitute more for four quarters rather than for the dollar bill because its weight, only 8.1 grams, is far less than it is for
答案选C，纠结于C中because it weighs only 8.1 grams中的it究竟是指Sacagawea dollar coin 还是dollar bill 呢？按成分相同原则应指前者都做主语，按就近原则应指后者，可能是背景知识不了解，请大家帮忙看看，先谢过！

请问prep 106中那个it究竟是指什么呢？

所属分类: GMAT考试

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