根据对话内容，从对话后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: Good morning, madam.
B:  
A: Well, I’ll try. What’s the problem?
B:  
A: I see. Well, we must get it down.
B:  
A; By sending one of our police around to your house.
B:   
A: Oh, I think so.
B:  
A: How will you do that?
B: Oh, it is 21 Oxford Street.
C: It’s my cat, Jennifer. She went up a tree, and she couldn’t get down.
D: Hello, could you help me?
E: OK. Thank you.
F: Will he be able to help?
G: Good morning, sir.