题目

梭伦改革实行财产等级制，这一制度 ………………………………………………（  ） ①有利于工商业者的发展      ②打破了贵族对权力的垄断 ③实现了公民的普遍平等      ④保障中下层平民参政权利 A．①③                 B．③④      C．①②              D． ②④ 答案：C --- Has Li Lei finished his work today? --- I have no idea, but he ______ it when I saw him this morning. A. had done                 B. would do                C. was doing              D. did