I called Hnnah many times yesterday evening but I couldn’t get through. Her brother on t

问题补充：

I called Hnnah many times yesterday evening, but I couldn’t get through. Her brother on the phone all the time!

A. was talking

B. has been talking

C. has talked

D. talked

答案：

(答案→)A. was talking

B. has been talking

C. has talked

D. talked

解析：

A。I called…和I couldn’t get through…用的都是一般过去时，而talk on the phone这一动作正是发生在I couldn’t get through…期间，故要用过去进行时。