下列现象中属于光的反射的是（　　）

A．人在阳光下，地面出现影子

B．在公园湖边的水中可看到鱼在游动

C．在公园湖边的水中可看到荷花的倒影

D．太阳照射的树阴下，有许多的小圆亮斑

—Happy Halloween, Kitty.

—________ [ ]

A. Yes, I'm very happy.                  

B. Thanks. The same to you.

C. It's Halloween today. Everyone is happy.  

D. Why do you say so?