Which of the Following Has the U

Which of the following has the U.S.Supreme Court held with respect to whether U.S.courts must rely on customary international law?

A) The U.S.Supreme Court has held that U.S.courts may disregard customary international law.
B) The U.S.Supreme Court has held that regardless of the existence of any legislative act to the contrary,U.S.courts must rely on customary international law.
C) The U.S.Supreme Court has held that even if a governing international agreement says otherwise,a U.S.court must rely on customary international law.
D) The U.S.Supreme Court has held that in the absence of a governing international agreement or controlling executive or legislative act or judicial decision,U.S.courts must rely on customary international law.
E) The U.S.Supreme Court has held that even if a controlling executive act is to the contrary, U.S.courts must rely on customary international law.