---- Good morning, Hilton Hotel.
---- Hello, I’d like to book a room for three nights.
----
A. Can I help you?
B. Just a minute, please.
C. What’s the matter with you?
D. At your service.
网友回答
A. Can I help you?
(答案→)B. Just a minute, please.
C. What’s the matter with you?
D. At your service.
解析：这是电话用语。因为对方已经说出所要的服务，所以不用A、D。C选项根本与这无关。