听力原文:W: Jerry, last night we held a discussion in that small room numbered 405 on the third floor and you were so conspicuous by your absence. M: Well, I made a mistake about the room number and staved in room 415 for an hour waiting Q: What can we learn about Jerry? (19)
A.
Jerry stayed in a room on the third floor for an hour.
B.
Jerry was absent when the discussion was being held.
C.
Nobody but the woman noticed that Jerry was absent.
D.
Jerry did not leave room 405 until an hour had passed.