Some steps have been taken to prevent the forest .
A. from destroying
B. to destroy
C. from being destroyed
D. to be destroyed
网友回答
A. from destroying
B. to destroy
(答案→)C. from being destroyed
D. to be destroyed
解析：本题考查动词用法。句中考查短语prevent … from doing sth阻止做某事。根据句意用被动形式。句意：已经采取了一些措施来阻止森林被毁。