【单选题】

A: Ray, aren't you going straight home after school today
B: ______.

A．Yes, I won't be going home until Friday.

B．No. I have a class until 1 o'clock, and after that I'm going to spend a couple of hours at the library before going home.
C．Yes. But I am afraid I have to stay for a few hours in the city library before going home.
D．Yes. If I were you, I wouldn't go home directly.