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，从题中给出的[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，你有10秒种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。 Why 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.