－Have you seen the film Lost in Thailand?
－Oh, no. I my homework all day yesterday.
A. had done
B. did
C. have done
D. was doing
网友回答
A. had done
B. did
C. have done
(答案→)D. was doing
解析：句意：你看过《泰囧》吗？---没有，昨天我一天都在做作业。时间状语是all day yesterday，强调过去的一段时间正在做…，用过去进行时，选D。