问题补充:
—What were you doing when Tony phoned you?
—I had just finished my work and to take a shower.
A. had started
B. started
C. have started
D. was starting
答案:
A. had started
B. started
C. have started
(答案→)D. was starting
解析:过去进行时在此表示过去准备要做的事。句意为:(Tony给我打电话时)我刚好做完工作,准备去冲凉。