——the sad news,she leaned over the desk and cried bitterly.
问题描述：
——the sad news,she leaned over the desk and cried bitterly.
to hear
to be herad
have heard
having heard
给出正确答案,理由并翻译
答
having heard 首先前边部分没有主语,也就是和后半句共用一个主语she,所以在这里用主动形式,而且做的是状语,需用ing形式,也可以说成是she leaned over the desk and cried bitterly when haveing heard the sad news.