单选题 Speaker A: I'd like to check in, please.
Speaker B: ______
A. Certainly. Do you have a reservation?
B. Sorry, I don't see what you mean.
C. Sure, I can help you with the checking.
D. Thank you, we provide first class service here.

【正确答案】 A
【答案解析】[解析] 由A方的话“我想登记住宿”可知，B方应为旅馆接待人员，合乎这一职业的说法应是A项“当然可以。您预订了吗？”