In a Brief Filed in Gene's Suit Against Hoyt in a Federal

In a brief filed in Gene's suit against Hoyt in a federal court,Ilsa,Gene's attorney,cites,Jon v.Klint,an unpublished opinion.According to a ruling of the United States Supreme Court,the judge in Gene's suit

A) may consider the unpublished opinion persuasive.
B) must apply the unpublished opinion as binding.
C) must ignore the unpublished opinion.
D) must issue a judgment in Hoyt's favor.