A: Can I help you? B: I bought a coat yesterday, . A: , let me check it. Would you like to change it or get you money back? B: because I like this style. A: ? B: Here you are. A: . Here is your new coat. You can check it again. B: Thank you. A. I’d like to change another one. B. Please sign here C. I am sorry D. Would you like to show your receipt E. but I found a dirty spot on it.