选择正确的句子补全对话，将其序号填在横线上。

A. Great! B. He bought a football for me. C. Yes, let's go. D. It's about animals. E. Who bought it for you?

Tom: What's the book about?

James:

Tom:

James: My mum. It's my birthday present.

Tom:

What did your dad buy for you?

James:

Tom: Then we can play together.

James: