Which of the Following Is True Regarding the History of the Legal

Which of the following is true regarding the history of the legal system used in England?

A) Strained relations between the English and French kingdoms explain why England adopted Roman civil law as its system of justice.
B) Historically, kings and nobles worked together to establish a common system of justice.
C) The early Norman kings failed to establish a feudal system, which allowed Roman civil law to take hold in England.
D) England alternately used common law and civil law legal systems, depending on the strength of the reigning king.
E) During times when power was decentralized, local nobles would administer justice.