单项选择题
[听力原文] M: Miss. what time is Flight NH906 for New York due to depart W: It leaves at 3:45. but you must check in one hour ahead of departure.
A.2:45. B.1:15. C.3:45. D.2:15.
A、 to steal B、 to have stolen C、 having been stolen D、 to have been stolen
A、 did B、 do C、 are D、 would