Most likely because it is the branch that is responsible for making our laws.
They thought he was growing to strong.They knew he would accept the crown this time.He denied it 3 times before he was asked again.If he accepted it then that would mean their Democracy(or Republic ,idk) would be ruined. He was then stabbed by 12 senates including his bestfriend.
I would say D. is the right answer.
In order to increase his power in England, William I C. He ordered a survey that enabled him to tax and govern his country effectively.
I hope this helped you out!!