—What were you doing when Tony phoned you?—I had just finished my work and to take a showe

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。