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标题: OG13 65 句子开头的digging是表伴随吗? 求大家帮忙 [打印本页]

作者: sherilynchi 时间: 2012-10-26 06:21 标题: OG13 65 句子开头的digging是表伴随吗? 求大家帮忙

Digging in sediments in northern China, evidence has

been gathered by scientists suggesting that complex

life-forms emerged much earlier than they had

previously thought.

(A) evidence has been gathered by scientists

suggesting that complex life-forms emerged

much earlier than they had

(B) evidence gathered by scientists suggests a

much earlier emergence of complex life-forms

than had been

(C) scientists have gathered evidence suggesting

that complex life-forms emerged much earlier

than

(D) scientists have gathered evidence that suggests

a much earlier emergence of complex life-forms

than that which was

(E) scientists have gathered evidence which

suggests a much earlier emergence of complex

life-forms than that

正确答案是C没什么问题，可是prep说主句是完成时态不能用ving表示伴随啊，因为会出现时间断层。那么这里应该怎么解释呢？

作者: xiaoguolulu 时间: 2012-10-26 21:08

其实在句首只有一种作用，就是修饰主句主语，但是可以表示主语的特性，或者是主语的谓语动作发生的先决条件，这两种情况啦。。。。但是就作用来讲就是修饰主语用的。。。

作者: sherilynchi 时间: 2012-10-27 06:28

谢谢你！我明白了我之前理解的太局限了以为要么伴随要么结果

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