Q16: 原答案C现选B

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.

1. a greater proportion than it was
2. a greater proportion than
3. a greater proportion than they have been
4. which is greater than was so
5. which is greater than it has been

为什么c不对啦？

C的they指代谁? 从逻辑上应该指代"比例",从语法上复数they无法指代单数proportion,只能往前指代costs,逻辑错误,此其一. 其二,即使逻辑上没有问题,they可以指代costs,那么后面的have been是什么意思? 成本曾经是如何? 跟前面的accounted for动词不对应,要对应就得用have done

突然想起, MM问这些问题前有没有搜过以前的讨论?

我的英国朋友解释为THEY只能指人不能指物

支持C， they have been 是说的现在，是到现在开始为止和所有以前的比较。有什么错啊。1992 是最耗电视费用的到目前为止。是用现在完成时啊。有什么错。