单项选择题
[听力原文]8-10
W: What’s your school schedule like, Mr. Wu
M: Well, I take four courses this term. I have English on Monday and Wednesday, and I have math on Tuesday and Friday.
W: When is your computer class
M: Thursday.
W: Do you have evening classes
M: Yes, on Wednesday. It’s Business Management, from 7: 30 to 9: 00.
W: Can I join your evening class on Wednesday
M: Of course. Welcome.
W: Thank you very much.
A．Half an hour.
B．An hour.
C．One hour and a half.
D．Two hours.