In McCleskey It Was Argued That the Race of the Perpetrator

In McCleskey it was argued that the race of the perpetrator and the race of the victim played a significant role in the decision of the jury, and his death sentence should be overturned because it was a violation of the:

A) 14th Amendment's anti-discriminatory clause
B) 14th Amendment's equal protection clause
C) Both b and c
D) None of the above