第一节
听下面5段对话。每段对话后有一个小题，从题中所给的[A]、[B]、[C]三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
What’s the relationship between the two people

A． In the office.
B． On the phone.
C． At home.

A． One hour.
B． One hour and a half.
C． Three hours.