题目

 _______he was very young, he knew a lot because his father was a college professor and had taught him a lot.    A. When                 B. Since               C. Because          D. While 答案：D1872年在《共.产.党宣言》发表24周年时，马克思、恩格斯指出：《共.产.党宣言》原理的实际运用“随时随地都要以当时的历史条件为转移”。下列能体现这一观点的是：①俄国取得十月革命的胜利 ②中国农村包围城市的道路 ③俄国十月革命胜利后开始向中国宣传马克思主义 ④20世纪80年代初，中国提出了一国两制的构想A．①②④B．②③④C．①③④D．①②③