如图所示，平面镜上方有一竖直挡板P，AB和CD是挡板左侧的发光点S经过平面镜反射后的两条反射光线，请在图上作出发光点S．（要求留下作图痕迹）

I think      can make Andy change his mind. He is such a person who never gives up easily.

A．something

B．anything

C．nothing

D．everything