---I called you yesterday evening, but there was no answer.
---Oh, I am sorry I dinner at my friend’s house.
A. have
B. had
C. was having
D. have had
网友回答
A. have
B. had
(答案→)C. was having
D. have had
解析：根据文章内容I called you yesterday evening, but there was no answer.可知答案为C，用于过去进行时，故选C