Whats the central topic of the passage?A.Air pollution.B.Bonfires.C.Solid waste.D.Bonfires

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Whats the central topic of the passage?

A.Air pollution.

B.Bonfires.

C.Solid waste.

D.Bonfires and the law.

请帮忙给出正确答案和分析,谢谢!

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