读对话，根据上下文意思，选择恰当的句子写在四线

三格上，补全对话。

Peter: Hello, Jack

Jack: I'm going to buy some books.

Peter: I'm going to visit my grandparents.

Jack:

Peter: I'm going by bus.

Jack:

Peter: Yes. And I'm going to help them clean their rooms.

A. How are you going there? B. What are you going to do on the weekend? C. Are you going to have dinner with them? D. Their house is far from my home. E. What about you?