---Youwerefoolishenoughtoraisesuchastupidideaatyesterd...

问题详情：

 --- You were foolish enough to raise such a stupid idea at yesterday’s meeting.

  --- Well, now I regret _____ that.

   A. to do           B to be doing        C. having done   D. to have done

【回答】

C

知识点：非谓语动词

题型：选择题