单项选择题
M: Waitress!
W: Yes, sir.
M: I have been here for 10 minutes now.
W: I’m sorry. What can I do for you
M: How much longer are we going to wait for our dinner
W: Sorry, sir. As you know, the duck takes quite a while to prepare. I’ll go to see about your order. Would you like something to drink while you are waiting
M: All right. Two beers, please.
A. A duck.
B. Tow beers.
C. A duck and tow beers.