I don't regret___even if it might have upset hen

问题描述:

I don't regret___even if it might have upset hen
A.to tell her what I thought B to have told her that I thought
C.teIling what I thought D.telling her what I thought

D
regret to do没做过
regret doing 已经做过
从后面的have upset看出应该已经做过了
tell不能接内容,只有say可以接上内容,tell sb sth,say sth