根据对话情景，在空白处填入合适的句子。

A: Where did you go last night? I called you but nobody answered.

B: Oh.__1__

A: At about half past eight. __2__

B: I wasn't at home then.  I was at the cinema with my parents.

A: Cinema?__3__ 

B: The Lord of the Rings.

A: __4__ 

B: It is so wonderful.  The music is sweet and pleasant.

A: Yes, you are right.  I saw that movie on TV.

B: __5__ 

A: Well, I wanted to borrow your English-Chinese dictionary.  Is it here?

B: Yes, here you are.

IP地址由多少二进制位组成？（）

A.4

B.16

C.32

D.64