— Good morning, Grand Hotel.

— Hello, I'd like to book a room for the nights of the 18th and 19 th. 

—  _____.[ ]

A. What can I do for you?

B. Just a minute, please.

C. What's the matter?

D. At your service.

工程监理实行( )负责制，由他全面负责建设工程监理的实施工作。

A．总经理

B．总工程师

C．总监理工程师

D．总监理工程师代表