问题补充:
—What were you doing when I phoned you last night?
—I my painting and was starting to take a bath.
A. have already finished
B. was finishing
C. had just finished
D. was going to finish
答案:
A. have already finished
B. was finishing
(答案→)C. had just finished
D. was going to finish
解析:由“我要洗澡”可知昨天你打电话时“我刚刚画完”,“画完”在“打电话前”之前,即过去的过去,故用过去完成。