标题: 语法求解 [打印本页] 作者: 嘿，小春虫虫 时间: 2013-9-24 14:43 标题: 语法求解 Once the economic and social usefulness of the motor car was demonstrated ____________________ proved, much of the early hostility to it in rural regions disappeared.
A.and with its superiority to the horse being
B.and its superiority over the horse hand been
C.and its superiority to the horse
D.its superiority over the horse
E.with its superiority to the horse having been
答案是B，我选的是C，我一直在纠结prove有没有变动的用法，求大神指教！