单项选择题
在本节中，你将听到15个对话，每段对话后有一个问题。请从A，B，C三个选项中选出答案，并标在试卷的相应位置。每段对话后有15秒钟的停顿，以便回答问题和阅读下一个问题。每段对话读两遍。
下面请听这些对话。 What does the woman mean
A. Dr. Wang is as busy today as yesterday.
B. Dr. Wang is not so busy today as yesterday.
C. Dr. Wang is busier today than yesterday.