APEX help please ASAP: Which action did the Marbury v. Madison ruling make possible?

A. A federal district court chooses to disregard Supreme Court precedent when making a ruling.
B. The Senate filibusters a proposed gun control bill for fear that it violates the Constitution.
C. The Supreme Court voids a new tax because it unconstitutionally targets religious minorities.
D. The president nominates several justices to the Supreme Court who share her political beliefs.