2195The purpose of this article is to__________. 查看材料A.9069

The purpose of this article is to__________. 查看材料 A.warn us of the wickedness of napping B.explain the danger of sleepiness C.discuss the side effects of napping D.convince the reader of the necessity of napping 请帮忙给出正确答案和分析，谢谢！