_____hearing the sad news,the mother cried out.

问题描述:

_____hearing the sad news,the mother cried out.
A Into B For C By D On
为什么选D不选B

在词句中on 引导的分词短语的意思是“一怎样,就如何”.词句话意思是,母亲一听到这悲伤的消息就大哭起来.