问题补充：
. --Excuse me, sir
--I’d like a beer and beef steak.
A. what do you want?
B. may I take your order now?
C. this table is reserved.
D. I would like to serve you.
答案：
A. what do you want?
(答案→)B. may I take your order now?
C. this table is reserved.
D. I would like to serve you.
解析：
