I didn’t see you at the party yesterday. Why?- Because I for an important person f

问题补充：

--- I didn’t see you at the party yesterday. Why?

--- Because I for an important person from America at that time.

A. was waiting

B. is waiting

C. will wait

D. have waited

答案：

(答案→)A. was waiting

B. is waiting

C. will wait

D. have waited

解析：根据问句内容I didn’t see you at the party yesterday.说明问的是当时我做什么，应该用过去进行时，故选答案A