the film ( )about ten minutes.A,is on B,started C,has started D,has been on 为什么不是C

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the film ( )about ten minutes.A,is on B,started C,has started D,has been on 为什么不是C

the film ( )about ten minutes.A,is on B,started C,has started D,has been on 为什么不是C
the film ( )about ten minutes.
A,is on B,started C,has started D,has been on 为什么不是C

the film ( )about ten minutes.A,is on B,started C,has started D,has been on 为什么不是C
start是一个瞬间动词,也就是说"开始"这个动作是瞬间就完成的,不可能持续一段时间,所以这里要表示"电影已经开始放映10分钟了",就必须用D选项里面的has been on.

是瞬间动词 ,后面不能跟表一段时间的短语。用start 这个句子就要变成:the film started about ten minutes ago