问题
单项选择题
Why are the private lands surrounding Glacier National Park so important a. They function as a hunting preserve. b. They are restricted to government use. c. They are heavily populated. d. They contain natural habitats of threatened species.
答案
参考答案：D
解析：
[分析]： 事实细节的找寻和判断。 根据题干线索找寻到原文第一段第三句可知“This land is an important part of the habitat and migratory routes for several endangered species that frequent the park.”即“这片(私人)土地是几种频频光顾公园的濒危物种的栖息地和迁徙必经之地”。由此可见，选项d的说法与原文相符，是正确的。[解题关键] 正确找到相关信息处，并将原文和选项关键信息作对比。