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题库 / Prep2008E2-SC-197
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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错选C。
"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.
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