在本节中，你将听到15段对话．每段对话有一个问题。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问题及其选项。每段对话读两遍。
下面，请听这些对话。
Where are they

A． Science.
B． Art.
C． Museum.

[A] He’d better leave now because there is a little work to do.
B. He can’t leave now because he has no work to do before nine.
C. He won’t leave until nine o’clock because he has much work to do.