Answer:
D) The first reason regulation is needed is because early UFC contests did not have rules prohibiting groin strikes and head butts.
Step-by-step explanation:
The early UFC contests didn´t have rulings that protected and ensured the health of the fighters also the main differences with other martial arts was the lack of regulations to take proper care of the fighters, this is the main reason why the state athletic comissions should strictly monitor and regulate the UFC because of the lack of regulations to ensure the security in the fights.