Some steps have been taken to protect the forest .A. from being destroyedB. from destroyin

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(答案→)A. from being destroyed
B. from destroying
C. to destroy
D. to be destroyed
解析：考察固定搭配。固定搭配protect sb from doing sth保护某人不受…的伤害；本句中的the forest与动词destroy之间构成构成被动关系，故使用动名词的被动形式。句意：一些措施已经被采取来保护森林不被破坏。根据句意说明A正确。