I called Mary 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. had talked
D. talked
网友回答
(答案→)A. was talking
B. has been talking
C. had talked
D. talked
解析：考查时态，由时间状语all the time，可以知道时态是进行时，因为前面时间状语yesterday evening，所以是过去进行时，所以选A