选择合适的选项补全对话（只填序号）。

A. Is she strict B. you're right C. music teacher D. tall and thin E. she isn't

John: She's . Guess! Who's she?

Tom: Is she our ?

John: No, .

Tom: ?

John: Yes, she is. But she is very funny.

Tom: Oh, she's our art teacher.

John: Yes, .