It is well known that China's great achievements in economic and social development over the past 30 years cannot be _____ its continuous efforts to push for rural reforms.A.separated fromB.separated betweenC.divided intoD.divided between
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A解析这里主要是区分divide与separate的用法，两者均可表示“分开”：divide 通常指把整体分为若干部分，其后常接介词 into；而 separate 通常指把原来连在一起或靠近的东西分隔开来，其后常接介词 from。句意为：在过去的30年里，中国的经济和和社会取得的伟大的成就是与推动农村改革的不懈努力分不开的。