Since February, the Federal Reserve has raised its short-term interest rate target five times, and because of the economy’s continued strength, analysts have been predicting for weeks that the target will be raised again in November.
A.because of the economy’s continued strength, analysts have been predicting for weeks that the target will
B.with the economy’s strength continuing, analysts predicted for weeks that the target
C.because the economy continues strong, analysts predicted for weeks that the target would
D.due to the economy’s continued strength, analysts have been predicting for weeks that the target
E.due to the fact of the economy’s continued strength, analysts predicted for weeks that the target will
一下摘自一个牛人的帖子； 我支持C。因为： 1、在GMAT里，forweeks、during、over等等不一定是完成事态的标志。出现了太多这样的例子，如OG中有一题讲某个文明flourished在一段时间。所以，用什么时态完全看该事件发生在哪个time frame，句子中各事件的先后关系如何。所以analysts predicted for weeks就其本身来说时态没有问题。 2、如果用analysts have been predicting，也就是说该事件和前一事件the Federal Reserve has raised its short-term interest rate target基本处在一个time frame中，那么它也应该发生在Since February所指的time frame中，那么另外一个时间状语for weeks就有些尴尬。这些weeks到底处在什么时间段？而且几个月内（不会是几个星期内），the Federal Reserve升息5次，只在最近几个星期analysts才持续预测吗？似乎有些不合逻辑。如果用predicted，就不涉及这个问题了，反正是在过去预测的，管它是什么时候。 3、because of the economy’s continued strength和because the economy continues strong相比，明显后者更好，人们预测要继续提高短期目标利率，不是因为经济的强度，而是因为经济的趋势，。前者的意思只能是勉强说得过去，但GMAT考题中很少出现不符合人们思维习惯的理解。最优选项应该是各部分都最优。因而应该选择because the economy continues strong。 4、平行并不要求时态完全一致，也有不少这样的例子。 一家之言，仅供参考，请大家继续讨论。
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发表于 2011-7-10 12:04:26
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