单项选择题
[听力原文]
M: Mary, will you come home right after class today
W: I’m afraid not. There will be a class meeting after class. I won’t be able to come home until 10:00.
A．Mary will come home after class.
B．Mary is going to attend the class meeting at 10: 00.
C．The class meeting will be over at 10: 00.
D．Mary will come home late because of the class meetin