Which claim about the state of Virginia formed the basis for the Supreme Court's decision in Loving v. Virginia?

A.
It denied its residents of voting rights guaranteed by the Fifteenth Amendment.
B.
It denied its citizens of their First Amendment freedoms of speech and assembly.
C.
It violated the Equal Protection Clause because not all couples had the same right to marry.
D.
It violated the Due Process Clause because the government cannot deprive an individual of rights.