情景交际。根据对话，填入合适的词，补全对话。

A: Hi, Jill. Where have you 1_____ for your holiday?

B: Hainan Island.

A: Hainan Island? I 2_____ that's a beautiful place. But I've 3_____ been there before.

    What do you 4_____ is the best thing there?

B: I think it's scuba diving.

A: Aren't you 5_____ of it? That's in the deep sea.

B: No, not at all. That's very great.You can see 6_____ different 7_____ of fish and

    the colorful reefs in the sea.

A: That 8_____ really cool. I suppose I'll 9_____ my holiday there next time.

B: Oh, if you can have a chance, please 10_____ it I'm sure you'll have a good time there.

下表是某同学在测量胸围差时获得的数据，则该同学的胸围差是（　　）

A．11cm

B．12.4cm

C．12cm

D．11.8cm