求助!!!并列句的省略：两道语法题对比!!!

答案是标出来的部分，这两道题的答案明显是矛盾的啊？？？!!!

nn们来讲解一下~~~~多谢~~~~~

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

B and its superiority over the horse had been

C and its superiority to the horse

D its superiority over the hose

E with its superiority to the horse having been

Despite protests from some waste-disposal companies, state health officials have ordered the levels of bacteria in seawater at popular beaches to be measured and that the results be published.

A

B that seawater at popular beaches should be measured for their levels of bacteria, with the results being

C the measure of levels of bacteria in seawater at popular beaches and results to be

D seawater measured at popular beaches for levels of bacteria, with their results

E that the levels of bacteria in seawater at popular beaches be measured and the results

可是第一题没有信息显示要用完成式啊，如果这样的话，我觉着第一题C应该更好啊