第25题: [单项选择]______ in the mountains for a week, the two students were finally saved by the local police. A. Having lost B. Lost C. Being lost D. Losing 参考答案:B 答案解析:该题考查非谓语动词的用法。be lost in 是习惯用语意为:全神贯注于,沉湎于,迷路的,陷入……的。主语是人,主语与谓语之间是被动关系。故此处选择B。Lost过去分词作状语。句意:在山里迷路一周后