完成对话从方框内选择正确选项。

A. How did it happen? B. Something worries me now. C. Did you give her the new pen? D. Don't worry. E. Well, I don't think it's a serious problem. F. There was a new pen for her.

Sally: Hello, this is Sally speaking.

Tina: Hi, Sally. It's Tina here.I don't know what to do.

Sally:What's the matter?

Tina: My best friend doesn't speak to me.

Sally：

Tina; She lent me her pen, but later I lost it. She was very angry.

Sally:You should talk to her and buy one for her.

Tina: No use. I promised to buy her a new one. But it doesn't work.

Sally：

Tina: No.

Sally: Maybe that's why.