问题
选择题
--- I regret ________ you that John has been fired.
--- I can hardly believe my ears. He is such a fine worker.
A．telling
B．having told
C．to tell
D．to have told
答案
答案：C
考查非谓语动词。regret doing 后悔做过某事；regret to do 遗憾地做某事。这里是后者，故选C。