With Its Landmark 2015 Ruling in Obergefell V

With its landmark 2015 ruling in Obergefell v.Hodges, the Supreme Court ruled that the right to marry and to be issued marriage licenses by states while having the licenses recognized as valid in other jurisdictions is guaranteed to same-sex persons under the _____________.

A) due process clause of the Fifth Amendment
B) due process and equal protection clauses of the Fourteenth Amendment
C) equal protection clauses of the Fifth Amendment
D) equal protection clause of the Fourteenth Amendment and the Defense of Marriage Act (DOMA)