下列现象中，能用光的直线传播规律解释的是

A．射击瞄准时要做到“三点一线”

B．在平静的湖面可以看到蓝天白云

C．游泳池注水后，看上去好像变浅了

D．放大镜把文字放大

Tom doesn't want to go to Beijing. He _____ there many times.[ ]

A. has gone        

B. has been 

C. went          

D. goes