Hatty: ______

Jesse: Yes, I want a pencil box.

A. Can I help you?

B. What do I do for you?

C. Can you help me?

D. What do you want to do?

［答案］A

【精析】商店、餐馆或其他服务行业的服务用语有：Can I help you?/What can I do for you?选项D（你想干什么？）与选项C（你能帮我吗？）不符合服务行业的表达习惯。