As no one is seriously hurt,------is no need to call for a doctor.横线处选哪一个?为什么?A it B there C here,D that

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As no one is seriously hurt,------is no need to call for a doctor.横线处选哪一个?为什么?A it B there C here,D that
As no one is seriously hurt,------is no need to call for a doctor.横线处选哪一个?为什么?
A it B there C here,D that

As no one is seriously hurt,------is no need to call for a doctor.横线处选哪一个?为什么?A it B there C here,D that
B,there is no need to do sth没必要做某事,是短语

A
动词不定式to call for a doctor作主语的时候,要使用 i t 做 形式主语