The film for twenty minutes when I got to the cinema.A. has begunB. had begunC. has been

问题补充：

The film for twenty minutes when I got to the cinema.

A. has begun

B. had begun

C. has been on

D. had been on

答案：

A. has begun

B. had begun

C. has been on

(答案→)D. had been on

解析：句意：当我感到电影院时，这部电影已经开始20分钟了。结合语境可知前文描述的是过去某时已经完成的动作，故用过去完成时态。Begin是瞬间动词，不能和表示一段时间的时间状语连用，故选D。