A: Did you buy a birthday present for your brother B: ______

A．Do you think he really needs anything

B．Give me a break. I'm out of money.

C．If I were him, I would like a new camera.

D．I've been thinking about getting him a ＣＤ. He likes classical music.

在车道状态监控系统中[车道状态图示]功能所具有的功能（）

A.显示车道是否关闭

B.显示车道通行等状态

C.显示收费员上下班

D.显示栏杆状态