However, at times this balance in nature is disturbed, ____ a number of possibly unforeseen effects....
2022-11-19 22:45:27 26次 2015届江西省高二下学期期中考试英语试卷（解析版） 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 disturbed, ____ a number of possibly unforeseen effects.
A. lying in B. calling in C. existing in D. resulting in
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