听力原文:W: Jerry, last night we held a discussion ill that small room numbered 405 on the
M: Well, I made a mistake about the room number anti stayed 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.