When they went to the theatre the play for five minutes.A. had begunB. has begunC. had b

问题补充：

When they went to the theatre, the play for five minutes.

A. had begun

B. has begun

C. had been on

D. was on

答案：

A. had begun

B. has begun

(答案→)C. had been on

D. was on

解析：考查完成时态。句意：当他们到达剧院时，演出已经开始五分钟了。结合语境可知在过去某时之前动作已经发生了，故用过去完成时态。瞬间动词begin不能和表示一段时间的时间状语for five minutes连用，故选C。