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

A. Where B. Before C. Until D. Unless

【答案】A

【解析】考查連詞。A. Where在…地方；B. Before在…前；C. Until直到；D. Unless除非。句意：在失業(yè)率和犯罪率居高不下的情況下，人們可以假定后者是由前者造成的。表示在…情況，故選A.

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