Speaker A: Are you Mr. Brown, the hotel manager
Speaker B: ______

A．Of course not, make yourself at home
B．Oh, it"s very kind of you to do so
C．I"ll be happy if I can be of any help
D．Yes, it"s pretty warm in here

A．Are you sure he will be back soon
B．Would you like to leave a message
C．Can you take a message for me
D．Shall I call him sometime later