问题补充：
Wild animals are losing their living areas because people trees and forests.
A. cut off
B. cut down
C. cut out
D. cut away
答案：
A. cut off
(答案→)B. cut down
C. cut out
D. cut away
解析：
试题分析: 句意：野生动物正在因为人类砍伐树木和森林而失去它们的栖息地。cut off剪下，cut dow削减，cut out切断，cut away切掉。根据语境可知是砍伐树木使野生动物们先去栖息地，故选B.
