The US Supreme Court in an Opinion in a Death Penalty

The U.S. Supreme court in an opinion in a death penalty case reviewed 15 studies using different approaches that showed that death qualified jurors were more prone to convict that non-death qualified jurors, On the basis of that review the majority opinion said

A) the evidence that death qualified jurors were more prone to convict was highly impressive, because it was based on diverse methodologies,
B) discounted all of the studies because they were methodologically flawed or were not directly relevant to the legal issues in the case
C) the Court would have found in the defendant's favor and overturned his conviction if the studies were better methodologically and more on point
D) that death qualification or conviction proneness is not required in order to have a representative jury