(单选题)

What did John George do to revive the city of Detroit?

A.He transformed the city into an industrial area.

B.He created a citizen's patrol to prevent crimes.

C.He expanded investment in real estate business.

D.He built a supermarket chain in the neighborhood.

参考答案：B

参考解析：

细节理解题。根据第八段第三句和第四句“In Detroit, October 30 was ruefully known as Devil’s Night, a period when all hell would break loose in the form of crime and vandalism. In response, George created a citizens’ patrol that would take to the streets, keeping an eye on suspicious behavior.”可知，George建立市民巡逻队是为了密切注视可疑的形迹，从而有效阻止犯罪，故选B。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语