We were greatly encouraged by the news of our team__anther gold medal.

问题描述:

We were greatly encouraged by the news of our team__anther gold medal.
A.won B.having won 为什么A不行,

解释,两个原因 第一:Of是介词 介词后面一般用doing形式 第二:having won是现在完成时,现在完成时表示过去的动作对现在造成了影响,而won是一般过去式,只是对过去事实的一个陈述,不表示对现...