“This research shows how important it is to get all young people working hard and teach them the value of higher education, ”he said．Question：The main purpose of the research is ________．A.to give the government some advice on higher educationB.to show us some information about higher educationC.to show the sex difference in higher educationD.to make all the students work hard and realize the importance of higher education
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D解析本段文字是一篇调查报告的最后一小节，对于调查的效果作出说明，也是该调查的目的．