Julia what were you doing when Anna called you?- I my housework and was starting

问题补充：

--- Julia, what were you doing when Anna called you?

--- I my housework and was starting to take a bath.

A. had finished

B. have finished

C. were finishing

D. will finish

答案：

(答案→)A. had finished

B. have finished

C. were finishing

D. will finish

解析：考查时态。上句问：我打电话的时候你在干什么？答语中，后面was taking a bath是说“正要去洗澡”，说明前面是刚刚做完作业，用过去完成时来表示。所以选A。