the importance of education, the villagers paid more attention to the schooling of the chi

网友回答

A. Realized
B. To realize
C. Realize
(答案→)D. Having realized
解析：考查非谓语动词。主语the villagers与realize之间是主动关系，且分词的动作发生在谓语动词之前，故用现在分词的完成式，句意：意识到教育的重要性之后，村民们更加关注孩子们的教育。所以选D。