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

问题描述:

__ 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 这句句子要结合前面的句子来选择 选B 的化翻译为 那里的失业率和犯罪率很高.可以假设后者是由前者引起的