This problem may lead to more serious ones if unsolved.A. makingB. leftC. remainedD. keepi

发布时间：2020-08-17 07:28:52

This problem may lead to more serious ones if     unsolved.
A. making
B. left
C. remained
D. keeping

网友回答

A. making
(答案→)B. left
C. remained
D. keeping
解析：考查状语从句的省略句：句意：这个问题可能或导致更严重的病如果被任由不治疗的话。If left unsolved=if the problem is left unsolved，如果主从句主语一致的时候，可以省略从句的主语和be动词，选B。
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