-- Why didn’t you go to the cinema with us this afternoon? I at the station for my unc

问题补充：

-- Why didn’t you go to the cinema with us this afternoon?

-- I at the station for my uncle from Beijing.

A. was waiting

B. have waited

C. am waiting

D. will wait

答案：

(答案→)A. was waiting

B. have waited

C. am waiting

D. will wait

解析：考查情景交际和时态。“今天下午你为什么没和我们去看电影？”“（下午）我在火车站接北京来的叔叔。”过去某时刻正在发生的事情，用过去进行时。故选A。