____the cries for help,the sodiers rushed into the burning h

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____the cries for help,the sodiers rushed into the burning house.选择求解答
A. To hear B.Hear C.Hearing D.Heard 请问为什么不能选C?我认为,逗号前后不是主语相同然后省略,这样的话,是the sodiers heard the cries for help,所以用heard表过去……请问大大们,为什么错了?
抱歉抱歉，我选择了D……请问我的理解哪里不对啦？

选C.
Hearing the cries for help是现在分词短语作时间状语,如果改成时间状语从句,就是When the sodiers heard the cries for help.这里的heard是谓语动词,它与soldier之间是主动关系.
现在我们再从相反的思路来说一说.
如果从句的主语与主句的主语相同,则可以将从句改成一个短语.如果要改成短语,有两步必须要做：一是去掉从句的主语；二是将谓语动词改成非谓语动词.
非谓语动词有三类：to do,doing,done.to do用于将来,或表示目的.
doing往往用于现在,但也可表示过去,主要是当它作原因状语的时候.
done有两重意思：一是动作已经完成,二是动作与逻辑主语之间是被动关系.
根据以上分析,When the sodiers heard the cries for help要改成短语就是Hearing the cries for help.如果选D,则heard与the soldiers是被动关系了,这显然不符合题意.但如果说成having heard则又可以了,因为having done是主动形式,是主动形式中的完成式.
不明白的再问哟!请记得采纳,多谢!

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