补全对话: 根据对话内容，从方框的选项中选出能填入空白处的最佳选项。
A:     Could you tell me the way to the bus stop, please?
B:     You can ask that cleaner over there.
A:    
B: You are welcome!
A: Excuse me.    
C: Yes. Walk along this road,and turn left at the first crossing. 
It’s about 100 meters along on the left.
A: Thanks a lot.
C:    

A. Thank you all the same! B. It’s a pleasure. C. Is there a bus stop near here? D. Excuse me. E. I’m sorry. I don’t know.