阅读下面短文，根据短文内容判断句子的正误。正确的涂”A”，错误的涂”B”。（共5小题，每小题2分，计10分）

This is John’s bedroom. It’s very nice. You can see a big window in the wall. Under the window you can see a big desk. A light and some flowers are on the desk. Near the desk you can see a small desk. You can see a clock on this desk. You can see two books on the floor. Can you see any pictures on the wall? Yes, you can see two. Where is John’s dog? It’s under his bed.

小题1:We can see two desks in John’s bedroom.

小题2:Some flowers and a light are on the small desk.

小题3:A clock is on the big desk.

小题4:Two pictures are on the floor.

小题5:John’s dog is under his bed.

若FTP地址为ftp：//123：213@333.18.8.241，则该地址中的“123”的含义是FTP服务器的（）。

A.端口

B.用户名字

C.用户密码

D.连接次数