—Your brother was brave enough to tell the truth in public.-Yes, and he will never regr

—Your brother was brave enough to tell the truth in public.
---Yes, and he will never regret that. I admire him so much.
A. to do
B. to be doing
C. to have done
D. having done

A. to doB. to be doingC. to have done (答案→)D. having done解析：固定短语。Regret to do sth遗憾要做某事；regret doing sth/having done sth遗憾做了某事;结合句意可知D正确。句意：—能把真相公司公众你的兄弟真是相当勇敢。—是的他永远不会遗憾那样做。我非常钦佩他。

我也是这个答案