--You were brave enough to raise objections at the meeting---Well, now I regret that.A.

发布时间：2020-08-17 02:09:58

--You were brave enough to raise objections at the meeting.
---Well, now I regret     that.
A. to do
B. to be doing
C. to have done
D. having done

网友回答

A. to do
B. to be doing
C. to have done
(答案→)D. having done
解析：regret to do sth. 很遗憾地做...（事情还没有做）； regret doing sth. 后悔做了...（为已经做过的事而感到后悔），这里表示为已经做过的事而感到后悔，故选D
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