__ 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
__ 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
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。