补全对话：根据对话内容，从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

A: Hello! May I speak to Sam, please?

B: This is Sam speaking.

A:__1__.

B: No, noghing. Do you have any good idea?

A: __2__.

B: OK. __3__.

A: It's on Bridge Street. You can take the No.3 bus to the Xingfu Street Stop.(站) __4__. The new cinema is across from it.

B: Oh, I see. It is 2 o’clock now. __5__.

A: I don’t think you can get there in(在……之后) half an hour. Let’s meet at 2:45.

B: OK. See you then.

A: See you.

目前可以作为用户接入网的主要有3类：Ⅰ．邮电通信网 Ⅱ．计算机网络 Ⅲ．局域网 Ⅳ．广播电视网以下哪一个答案是正确的______。

A．Ⅰ、Ⅱ

B．Ⅰ、Ⅱ和Ⅲ

C．Ⅰ、Ⅱ和Ⅳ

D．Ⅲ、Ⅳ