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题库 / DaQuan-SC-3503
Soaring television costs accounted for more than half the spending in the presidential campaign of 1992, a greater proportion than it was in any previous election.
a greater proportion than it was
a greater proportion than
a greater proportion than they have been
which is greater than was so
which is greater than it has been
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literally, this makes no sense, since television costs weren't "soaring" in OTHER elections.
代词，指代前面所有属性
"they" would have to refer to "soaring television costs", by elimination: there aren't any other plural nouns.
literally, this makes no sense, since television costs weren't "soaring" in OTHER elections.
A it是完全指代 应用that 部分指代
C 单数 不能用they
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from GMAT club 意思就是A中的it是不能指代a great proportion的
2.不能用 it,可以用that。
就服你！每次都发现你的解答最make sense!
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in any previous election是个明显的时间提示词，应该用过去完成时。但have been与前面的accounted for不平行，所以，感觉要用也只能用have done了登录 或 注册 后可以参加讨论