—Hello! This is travel agency office．
—Hello! I'd like to book two tickets for Qing Western Tombs．
— ．
A. Of course, please
B. At your service
C. My pleasure
D. A moment, please
网友回答
A. Of course, please
B. At your service
C. My pleasure
(答案→)D. A moment, please
解析：A．Of course, please 当然，请便，B．At your service随时为你服务， C．My pleasure不用谢， D．A moment, please请稍等，句意：——你好！这里是旅游办事处办公室。——您好，我想预定两张清西陵的票。——请稍等。所以选D。