If unsolved, the problem of food safety may lead to more serious results.A. makingB. rema

发布时间：2020-08-16 21:50:26

If      unsolved, the problem of food safety may lead to more serious results.
A. making
B. remained
C. left
D. taking

网友回答

A. making
B. remained
(答案→)C. left
D. taking
解析：考查省略句。The problem与leave构成被动关系，使用过去分词。完整的结构应该是If the problem is left unsolved, the problem of food safety may lead to more serious results.句意：如果这个问题被留在没有被解决，它会导致更严重的后果。
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