One Reason for the Success of the Parlements in France

One reason for the success of the parlements in France was

A) they granted tax free status to the nobility.
B) service in these courts of law exempted a person from military service.
C) citizens of France believed they could get a fairer trial than with the church or local courts.
D) the parlements had intendants tracking local tax records.
E) the parlements were believed to be a stepping stone to a constitution.