Which Statement Is Best Illustrated by the Court's Ruling in Its

Which statement is best illustrated by the Court's ruling in its decision regarding the constitutionality of the Affordable Care Act?

A) It is most directly the decisions of Congress that influence judicial actions.
B) The actions motivating judicial decisions are overt and clear.
C) It is incredibly difficult to parse the possible motivations for justices' actions.
D) The actions motivating the decisions of various justices are clearly indicated in the majority opinion.