选用方框中的句子，将下列对话填写完整。

A: Excuse me, Sir?  Where is the hospital?
B:         . You may ask that policeman over there.
A: Thank you. (The man goes to the policeman.)
A: Excuse me.         
C: No, there isn't a hospital near here. But there is one near the Bank of China.
A:          
C: It's about two kilometres away.
A:          
C: You should take a taxi. It's too late. There aren't any buses now.
A:          
C: You're welcome.