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题库 / Prep2008E1-SC-220
The results of the company's cost-cutting measures are evident in its profits, which increased five percent during the first three months of this year after it fell over the last two years.
which increased five percent during the first three months of this year after it fell
which had increased five percent during the first three months of this year after it had fallen
which have increased five percent during the first three months of this year after falling
with a five percent increase during the first three months of this year after falling
with a five percent increase during the first three months of this year after having fallen
题目分析：
略。
选项分析：
A选项：划线部分的代词it应该同未划线部分出现的its指代对象相同，即，the company，但是，在逻辑上，在过去两年内下降的应该是公司的利润（its profits）而不是公司本身（the company）。
B选项：时态有误，had increased是过去完成时，过去完成时必须存在于有明确的过去时间点作为参照的语境中，即，表示过去的过去，本句中由于没有明确的过去时间作为参照，所以此处不能用过去完成时；it错误同(A)。
C选项：Correct. 本选项在语法上和逻辑上均是正确的。
D选项：本选项中的介词短语with a five percent increase是状语（用逗号和主句隔开的介词短语通常都是状语）。顾名思义，状语是用来修饰动词的特性或特征的。在逻辑上，“增长了5%”描述的是profit的特点，而不是be evident的特征，由于profits是名词，所以“增长了5%”必须做profits的定语。
E选项：本选项错误同(D)。
有疑问：虽然利润增长不知道何时终止，但是在5%这个数量上，是终止了的。如果在这个节点不终止的话，也无法得知5%这个数量的。
联想到以前的一个例题twenty-one ceramic dog figurines，这个问题的答案选择是discovery.是不是也是一个意思：虽然“探索”不一定终止，但是在发现21个这个节点是终止的，所以能够double the number of these artifacts known to exist
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