The crops should be carried away,__they will be washed away soon

题目

The crops should be carried away,__they will be washed away soon
A.or soon
B.or else
C.even else
D.or other
选什么为什么?

答案

B or else 是否则的意思,是连词
这句话的意思是 "这些庄稼应该搬走,否则它们马上都会被冲走的”