听力原文：Excuse me, when would you like to check in please, in the morning or in the afternoon?
(A) So, what's wrong with me?
(B) At 8 A.m.
(C) Yes, come in, pleasE.
(21)
A.
B.
C.

A.m.
(C)
B.
(21)
A.

【参考答案】

B
解析：听音时，抓住关键词'check in”，可知题干的意思是“你什么时候登记入住”，(B)“早上八点”是正确的回答。