The Supreme Court Recently Ruled That the Execution of Child

The Supreme Court recently ruled that the execution of child rapists is unconstitutional on all of the following grounds EXCEPT that

A) the potential pain suffered by an executed convict in a botched execution amounted to cruel and unusual punishment.
B) only five states had laws that allow for the execution of child rapists.
C) no state had executed a convict for raping a child in over forty years.
D) only one state allowed for the execution of child rapists on their first conviction.
E) crimes other than treason or espionage that do not involve the taking of a life should not be punished with the taking of a life.