大全961以及大全的困惑

特强薄荷

Consumer confidence levels, which many economists consider an early indication of the economy’s direction, sagged as the stock market tumbled, but not dramatically enough for giving a clear picture of new spending patterns.
(A) tumbled, but not dramatically enough for giving
(B) tumbled, but not dramatically enough to give
(C) tumbled, and not so dramatically as to have given
(D) has tumbled, and not dramatically enough to give（B）
(E) has tumbled, but not so dramatically as to give

看到这道题目首先就排除了enough to，剩下两个C,E好像也不太对，因为没有完成时态的提示，就随便选了一个。
这个题目是不是太老了呀？

花了10天左右时间，每天3个section，把大全差不多做完了，正确率有些高，有些低，但平均在80%左右，最后的补充题正确率很低，最低甚至只有68%。今天做最后的最新真题正确率只有60%几，要哭了，怎么越做越差了呀？？还想安慰自己说是不是最后的题目太老了？可是想想可能还是自己有问题，好迷茫啊。。。。。。。。

wenchang

首先DE时态不对，这个第一眼就能判断出来，而且是硬伤直接丢弃，然后是C的and看上去很别扭，可以先放在一边，AB中选选中了B，看到enough to可能有点问题，回头再看看C，重新读题，发现确实and不合适，那就用B吧，应该说enough和so ... as to没有太多的谁好谁不好之说，如果有so that当然优先考虑so that，但so ... as to的被选中率确实有点低