题目内容：

根据对话内容，从方框内所给的选项中选出能填入空白处的最佳选项。选项中有两项为多余项。

Becky：Welcome back to “The Problem Line”．Okay，it's time for another call..1.

David：Hello！This is David.

Becky：Hi，David.Welcome to “The Problem Line”..2.

David：Well，I'm having problems with my mom.When we talk about something，we always argue.

Becky：3. It's impolite.

David：I know，but she plans everything for me.I can't even decide what to wear on weekends.

Becky：That's too bad.4.

David：I tried，but she never listened.She thinks I should listen to her because I'm her child.

Becky：Well，that's a difficult problem..5.

Linda：Hello，I'm Linda.I think David should ask his teacher for help.Perhaps his mother will listen to his teacher.

David：OK.I'll have a try.Thank you!

A．Hi，where are you from?

B．Hello，who's calling?

C．You should learn from them.

D．Dear listeners，who can give him some suggestions?

E．Why not have a good talk with her?

F．You shouldn't argue with your mom.

G．What's your problem?