— Kate! Let’s go to work right now. We’ll be late.

— _____. We still have 20 minutes left.

A．Take it easy

B．Not at all

C．That’ s all right

D．You’re welcome

若有以下结构体定义，则______是正确的引用或定义。 struct example { int x;int y; }v1;

A．examplx=10

B．example v2.x=10

C．struct v2;v2.x=10

D．struct example v2={10};