白勇的书128页上

Once the economic and social usefulness of the motor car was demonstrated and with its superiority to the horse being 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 had been

C) and its superiority to the horse

D) its superiority over the horse

E) with its superiority to the horse having been

书上说选B

个人认为选C更合适

请教各位牛牛

B 里面 的had been时态使用并没有特定依据

而C里面and后面从句省略be动词是应该的，因为前面的从句里有be动词