单项选择题

W: Ray, aren't you going straight home after school todayM:______

A.Yes, I won' t be going home until Friday.
B.No. I have a class until one 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.