题目内容：

听下面一段较长对话，回答以下小题。

1.What’s the most possible relationship between the two speakers?

A. Friends.    B. Brother and sister.    C. Husband and wife.

2.How long did the man stay in Hong Kong?

A. 10 days.    B. 15 days.    C. 20 days.

3.Why couldn’t the woman get in touch with the man when he was in Hong Kong?

A. Because he didn’t have a telephone.

B. Because his telephone number was changed.

C. Because he didn’t want to answer her call.