As a Result of Supreme Court Decisions, the Death Penalty

As a result of Supreme Court decisions, the death penalty, unlike any other punishment prescribed by law, requires special procedures that ensure its lawful application. What has Professor Margaret Jane Radin called those special procedures:

A) "powerful procedural safeguards"
B) "due process plus"
C) "the Court's cuisine"
D) "super due process"
E) none of the above