————100years ago,Beijing University educated thousands of useful talent.
问题描述：
————100years ago,Beijing University educated thousands of useful talent.
A established B Being established C Having established DTo be established .答案选择C,可是 不是应该是被动语态吗?C中间不应该有个been吗?我觉得应该是A
答
你的感觉是对的.
老师错了.