下列现象中，能用光的直线传播规律解释的是（　　）

A．海市蜃楼

B．射击时的瞄准要领是“三点一线”

C．雨后天空出现彩虹

D．人不能看见不透明物体的后面

Use your head; nothing taught by others can have the same effect on you as _________learned

through practice.

A．those

B．what

C．that

D．the one