However, at times this balance in nature is ________ resulting in a number of possibly unforeseen ef...
2023-01-24 18:55:22 106次 2010年辽宁省高二上学期10月月考英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
However, at times this balance in nature is
________ resulting in a number of possibly unforeseen effects.
A.
troubled B.
bothered C
mixed D. disturbed
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