By the time I got to the theatre the play for ten minutes.A. had been onB. had begunC. h

问题补充：

By the time I got to the theatre, the play for ten minutes.

A. had been on

B. had begun

C. have been on

D. has begun

答案：

(答案→)A. had been on

B. had begun

C. have been on

D. has begun

解析：时态考查题。By +过去的时间主句用过去完成时态，begin不能和段时间连用故选A。句意：到我到达影院的时候戏已经演了十分钟了。