—Mr Black，what about my application?
—Oh，I regret you that it hasn’t been successful.
A. telling
B. to tell
C. having told
D. said
网友回答
A. telling
(答案→)B. to tell
C. having told
D. said
解析：考查固定用法。Regret to do sth遗憾要做某事；regret doing sth遗憾做了某事；根据句意可知B正确。句意：—我遗憾的告诉你申请没有成功。