What is the purpose of the passage？ 查看材料A.To analyz

What is the purpose of the passage？ 查看材料

A.To analyze the causes of the panics and teach people how to prevent them.

B.To introduce different kinds of panics.

C.To help people set up daily norms that can prevent panics.

D.To inform. people of painful examples form. panics.

请帮忙给出正确答案和分析，谢谢！