单项选择题
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秒钟的时间采回答有关小题和阅读下一小题。每段对话仅读一遍。 What does the woman say "no"
[A] Because Tom is on his way home.
B. Because Tom is having supper outside.
C. Because Tom has had his supper already.