天津人民出版社出版的《历史2005高考神梯》中有一道选择题: 七届二中全会上,毛泽东指出党的工作重心要转移的原因是 A.在农村中的革命任务已经完成 B.中国社会的主要矛盾已完全变化 C.中国社会性质已变化 D.新民主主义革命即将取得胜利 There was a multiple-choice question in the “History of the Entrance Examination of the 2005 Entrance Examination” published by Tianjin People’s Publishing House: At the 2nd Plenary Session of the 7th CPC Central Committee, Mao Zedong pointed out that the party’s center of gravity should be shifted because A. The revolutionary tasks in the rural areas have been completed B. China The major contradictions in society have changed completely C. The nature of China’s society has changed D. The new democratic revolution is about to win