问题 更新时间2023/4/3 12:59:00 )The reason for all the changes being made ( ) to us.(本题1.0分)A.explainedB.had explainedC.was explainedD.were explained 答案 登录 注册 答案:C. 出自:青书学堂 >> 信阳师范学院大学英语3