GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 8Q7L58K45C7QT0HIJ

The passage provides support for which of the following statements about beaver dams? A. One important function of these dams is to protect beavers' homes. B. Most are built prior to burrow construction. C. They are found mostly along deep rivers. D. They are routinely abandoned as nearby forests are depleted. E. They mainly protect beavers from rising water levels.