一道GMAT SC题 （高手请进）

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一道GMAT SC题 （高手请进）

Recently implemented "shift-work equations" based on studies of the human sleep cycle have reduced sickness, sleeping on the job, *fatigue among shift workers, and have raised* production efficiency in various industries.

A) fatigue among shift workers, and have raised

B )fatigue among shift workers, and raised

C) and fatigue among shift workers while raising

D )lowered fatigue among shift workers, and raised

E) and fatigue among shift workers was lowered while raising

答案选的E,可是我觉得A对,看了OA以后,我依然有点困惑

我的思路是这样的：have reduced 和have raised 是平行的（大平行）,sickness, sleeping on the job, fatigue among shift workers这三个也是平行（小平行）

所以我选E.

另外,我认为,再E选项中,fatigue among shift workers was lowered是一句话,而他的前面sickness, sleeping on the job,是名字和名词性短语,这样他们三个就不平行了啊

你的意思是have reduced sickness, sleeping on the job,和fatigue among shift workers was lowered 平行吗?

优质解答：

恩 前面3个一定是平行的 最后while和谁并列从属我不能肯定,但是都不影响结果(我偏向于while和小句子)

如果选A,首先是个并列结构 2个动词并列have reduced/raised

然后是第一个动词下3个名词结构并列

A少了个and

2个并列结构都需要and连接

选E可以构成1个平行并列结构 用and连接的2个动词句子.while是从句简化结构

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