In Which of the Following Supreme Court Cases Did Justice

In which of the following Supreme Court cases did Justice Harlan write, "Those who have come to grips with the hard task of actually attempting to draft means of channeling capital sentencing discretion have confirmed the lesson taught by . . . history . . . . To identify before the fact those characteristics of criminal homicides and their perpetrators which call for the death penalty, and to express these characteristics in language which can be fairly understood and applied by the sentencing authority, appear to be tasks which are beyond present human ability"?

A) McGautha v. California
B) Furman v. Georgia
C) U.S. v. Jackson
D) Gregg v. Georgia
E) none of the above