A、7:05 B、7:20 C、7:15 D、7:10 B本题女士的回答中“15分钟”为干扰信息，因为仅从男士的话中就可以推测出电影应该是7：20开演，故选B。

W：I told you should not be late for class.
M：Well，I’m sorry．The bus came late and the traffic was heavy．
Q：What might the man be?

M：It’s already 7 o’clock.The film will start in 20 minutes.
W：Don’t worry．It only takes US 15 minutes to get there．
Q：When will the film start?