—You were brave enough to raise objectio

问题选择题

—You were brave enough to raise objection at the meeting.

—Well, now I regret _______ that.

A．to do

B．to be doing

C．to have done

D．having done

答案

答案：D

regret doing sth 表示对已经发生的事感到“后悔”；regret to say / tell / inform / announce 用以报告令人不快之事，表示对将要说的话感到“遗憾、抱歉”，主语通常是 I / we, regret 用一般现在时。