根据句意，补全对话，每空一词。

A: Good morning.

B: Good morning. What are you 1_____________ now?

A: I'm 2_____________.

B: Running? What's 3_____________ with your bike?

A: It's 4_____________. Could you mend it?

B: Yes, I can. But now let's 5_____________ games.

A: OK. What 6_____________ a Frisbee (飞盘)?

B: Good. Can you 7_____________ it?

A: Yes, I can. Throw it 8_____________ this.

B: No, you are 9_____________. Do it like this.

A: I know. It's very 10_____________.

以下说法中，错误的是（）

A.眶骨骨膜由硬脑膜延续而来

B.眶骨骨膜与骨壁连接非常紧密，因此对骨壁起营养作用

C.眼眶的前界是眶隔

D.老年人眶隔松弛可形成眼袋

E.眼眶手术时应尽量少损伤眶骨骨膜