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However,attimesthisbalanceinnatureis__,resultinginanumberofpossiblyunforeseeneffects.A.troubledB.disturbedC.confusedD.puzzled

题目详情

However,at times this balance in nature is__,resulting in anumber of possibly unforeseen effects.
A.troubled B.disturbed C.confused D.puzzled
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答案和解析
B

从句子的后半部分的result in effects可知balance in nature受到了破坏。Disturb符合句义。