______ unemployment and crime are high, it can be assumed that the latter is due to the former.

______ unemployment and crime are high, it can be assumed that the latter is due to the former.

A.Before

B.Where

C.Unless

D.Until

答案及解析: B

解析:

哪儿的失业率高 ,哪儿的犯罪就率高,那可以认为是前者导致后者的原因。