题目

— Have you been to the Great Wall? —Perhaps not in my memory. ________, it might have been during my early childhood.A．If anyB．If soC．If everD．If not 答案：C解析春秋战国时期，我国社会发生的重大变化，不包括A．分封制的盛行B．井田制的瓦解C．铁农具和牛耕的使用推广D．学术思想的空前发达