Ifunsolved, the problem of food safety may lead to more serious results.A. having leftB.

发布时间：2020-08-17 07:35:58

If     unsolved, the problem of food safety may lead to more serious results.
A. having left
B. to leave
C. left
D. leaving

网友回答

A. having left
B. to leave
(答案→)C. left
D. leaving
解析：句意：如果食品安全问题被任由不解决，就会导致更严重的后果。这是一个状语从句的省略句，完整的句子是：If the problem of food safety is left unsolved，当主从句的主语一致的时候，可以省略从句的主语和be动词，选C。
以上问题属网友观点，不代表本站立场，仅供参考！