As was said above,many people have realized.第一个词用as对不对?

问题描述:

As was said above,many people have realized.第一个词用as对不对?

个人建议去掉 was.As said above.
或者也可以用:Base on above,.
According to above,.这是道定语从句的填空题,第一个空,填as 还是别的关系词?