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vict2006 · 发表于 2007-3-6 15:25:00

Q16:

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.

c

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

能解释下为什么选c吗？

vict2006 · 发表于 2007-3-8 13:07:00

请指点,谢谢

本贴相关题目 GMATPrep-2008E2-SC-197 | TN-01-SC-16 (BAHB)

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