听下面5段对话或独白。每段对话或独白后有几道小题,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。听每段对话或独白前,你将有5秒钟的时间阅读各个小题;听完后,各小题将给出5秒钟的作答时间。每段对话或独白读两遍。
听第6段材料,回答第6、7题 Why is the man so annoyed
[A] Because he didn’t like listening to radio. B. Because his sister made him study very hard. C. Because the noise disturbed him so much.