Which of these best describes how William of Normandy changed the English Monarchy?

A.
William claimed the throne as the ultimate authority over all feudal lords and subjects.
B.
William was crowned the King of England and immediately gave all power to the Church.
C.
William was not of royal blood and took the crown of England by force and oppression.
D.
William was the rightful heir to the throne of England but would not accept the crown.

The best answer is A. William claimed the throne as the ultimate authority over all feudal lords and subjects.