—Could you tell us ? —About five minutes.
A. how soon will the film end
B. how long has the film begun
C. how soon the film has over
D. how long the film has been on
网友回答
A. how soon will the film end
B. how long has the film begun
C. how soon the film has over
(答案→)D. how long the film has been on
解析：此题考查复合句的问题，根据答语可知询问的是时间段故用how long,又因从句必须是陈述句语序故选D.