OG-19 777 求助！！

小苏小三

777.  Before 1988, insurance companies in California were free to charge whatever rates the market would bear, needing no approval from regulators before raising rates.
A.  needing no approval from regulators before raising
B.  and it needed no approval by regulators before raising
C.  and needing no approval from regulators before they raised
D.  with approval not needed by regulators before they raised
E.  with no approval needed from regulators before the raising of
求助，不知道E选应该怎样排除~~  希望有小伙伴可以帮忙解答
（图片为OG解释，但是关于E选的解释我没太理解）