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。 Which of the following is true
A． A policeman found the lost boy.
B． The boy went home himself.
C． The boy was found in a street.
B． The boy went home himself.
C． The boy was found in a street.
