--What do you want to do next? We have half an hour until the basketball game.

--____. Whatever you want to do is fine with me.

A．It just depends

B．It’s up to you

C．All right

D．Glad to hear that

Windows XP操作系统属于( )。

A．单用户单任务操作系统
B．单用户多任务操作系统
C．多用户单任务操作系统
D．多用户多任务操作系统