大权552 ：为什么只省略 谓语？ 请斑竹帮帮

pengfei1102

关于省略：

1大权552 还有这道题：

.        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（C）

(E) with its superiority to the horse having been

答案C说是 proved 前 省略了 was,  为什么 可以这样省/?

为什么 只省略了 谓语？

shzzhengfan

因为只有谓语相同,所以省略谓语was