根据对话内容，从选项中选出能填入空白处的最佳选项。

------1 

------Going shopping is always boring 。

------2  There are many things to choose from.

-------3  We spend a lot of time but come back without anything。

------4  

-----I have always been afraid to bear you say “I am sorry I have changed my mind”.

----5  I prefer to stay at home watching TV  .

A．So you must go by yourself.

B．Would you like to go shopping with me now?

C．Do you remember the last time I went shopping with you?

D．You are a nice person.E. Sometimes I really have trouble choosing among so many things.

F. But without you I can’t make a decision on what to buy.

刘婷乘船游玩时，发现水面下某处有一只青蛙（如图所示），她用激光笔照射到了这只青蛙．请你在图中画出刘婷在照射青蛙时的入射光线和折射光线．