-- What a pity! You missed the beginning of the movie it for 10 minutes.-- Oh a traffic

问题补充：

-- What a pity! You missed the beginning of the movie, it for 10 minutes.

-- Oh, a traffic jam!

A. began

B. stated

C. has been on

D. has been off

答案：

A. began

B. stated

(答案→)C. has been on

D. has been off

解析：句意:太可惜了,你错过了电影的开头部分,已经开演十分钟了.——哦，遇上一个交通拥堵。结合语境可知上文描述的是从过去持续到现在的动作，故用现在完成时态。选项D表示的是结束的意思，故选C。