Do you know why John didn't ________ at the party yesterday evening

A．All right. My name is David Jones and my room number is 103.
B．Yes. We need a double room for this weekend.
C．Thank you, I'd like to make a long distance call to New Zealand.
D．Sorry. I don't think you can help us. Thank you anyway.

A．What do you want
B．What can I do for you
C．What do you like
D．Do you want to buy something