请根据对话内容，选择恰当的一项，将序号填在横线上。

A. And he only eats a few vegetables and a little fruit. B. He was born in London. C. He looks fat and unhealthy. D. He should eat more healthy food. E. He's my cousin, Steven.

Kitty: Who's this boy in the photo?

Sally: But now he lives in the USA with his family.

Kitty： What's wrong with him?

Sally: He had too much sweet food. He likes cola very much.

Kitty: That's unhealthy.

Sally: You are right. I'll send him an email.