根据下面对话中的情景，在空白处填入适当的句子

A: Hi, Frank. Look at this photo.

B: Oh, it's a family photo. (1)__________.

A: Yes, it is my mother.

B: (2)__________.

A: Yes, ts ry father.

B: Who's this?

A: Guess(猜)!

B: Is it your sister?

A: (3)__________.

B: And (4)__________ your brother?

A: No. it isn't.

B: Ha! Hal It's you.

A: Yes! (5)__________.

下列哪项不是2型糖尿病可能的危险因素（）。

A.遗传作用

B.A型性格

C.缺少运动

D.高能饮食

E.胰岛素抵抗