从方框中选出合适的句子完成对话

A. Is it your birthday today? B. Sure. C. What is she doing? D. Is she washing the clothes now? E. What does your mother do on the weekend?

Peter: Hello, Sarah.

Sarah: She often washes the clothes.

Peter:

Sarah: No, she isn't.

Peter:

Sarah: She's making a birthday cake.

Peter:

Sarah: Yes, it is.

Peter: Happy birthday to you!

Sarah: 'Thank you. Can you come and eat lunch with us?

Peter: