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答案。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个小题。每段对话仅读一遍。
1.What does the woman imply?
A. She didn’t clean the apartment
B. She wanted to help the men clean his apartment but she is busy.
C. She needs to clean the lab.
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