单选题 The main (主要的) idea of the passage is ______. [A] how to spend the night in the forest [B] what you should do if you want to get some water [C] what you should do if you are lost in the forest
【正确答案】 C
【答案解析】[解析] 从文章前三句话可得到答案。A和B只是其中的一个方面。