听力原文:W: Did you go to the concert last night?M: Oh, yes. It should have started at 7:1
听力原文:W: Did you go to the concert last night?
M: Oh, yes. It should have started at 7:15, but it was delayed 15 minutes. I had waited for twenty minutes before it began.
When did the concert begin?
A.7:15.
B.7:30.
C.7:50.
D.7:35