However, at times this balance in nature is ________ resulting in a number of possibly unforeseen ef

题目简介

However, at times this balance in nature is ________ resulting in a number of possibly unforeseen ef

题目详情

However, at times this balance in nature is ________ resulting in a number of  possibly unforeseen effects.
A. troubled          B. bothered        C mixed     D. disturbed
题型:单选题难度:偏易来源:不详

答案

D

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