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.
答案居然是C,开什么玩笑?
哪位牛人给我讲讲答案应该是什么?
CD 讨论选 B
楼主看看置顶贴中的【讨论连接】GMAT语法讨论汇总
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