－Icalledyouyesterdayevening,buttherewasnoanswer.   －Oh,...

问题详情：

－I called you yesterday evening, but there was no answer.

    －Oh, I am sorry I _______ dinner at my friend’s home.

    A. have          B. had            C. was having        D. have had

【回答】

C

知识点：动词时态

题型：选择题