－ Where is the dining hall?
－It’s behind the classrooms.
A. How are you ?
B. Excuse me,
C. How do you do ?
D. Bye-bye !
网友回答
A. How are you ?
(答案→)B. Excuse me,
C. How do you do ?
D. Bye-bye !
解析：How are you ? 你好吗；Excuse me,打扰了；How do you do ? 你好；Bye-bye !再见；根据下文，大厅在哪儿？——在教室后面。结合语境可知选B。