If in wet sand, the vegetables can fresh for a long time.
A. being buried; remain
B. buried; remain
C. buried; be remained
D. burying; remain
网友回答
A. being buried; remain
(答案→)B. buried; remain
C. buried; be remained
D. burying; remain
解析：句意：如果蔬菜被埋在潮湿的沙子里面，可以保鲜很长时间。第一空用了状语从句的省略，省略之前应为： If they are buried in wet sand, the vegetables can fresh for a long time.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，第一空应该是buried，第二空的remain后面接形容词，是连系动词，没有被动式，所以选B。