Which One of the Following Is the Most Severe Restriction

Multiple Choice

Which one of the following is the most severe restriction on the Supreme Court's policy-making role?

A) The Court has only nine members.
B) The justices cannot set the judicial agenda and can only choose from cases appealed to it.
C) The president can change the size of the Court if the president disagrees with its decisions.
D) The Court is required to follow the dictates of precedent even when its justices disagree with those precedents.