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 season is it now

A. Because she drank the water.
B. Because she was sick.
C. Because she took some of the chemicals.

A． Twenty.
B． Twenty-six.
C． Twenty-five.