In North Carolina V

In North Carolina v.Alford (1970) ,the U.S.Supreme Court ruled that

A) when a guilty plea rests on a promise of a prosecutor,it must be fulfilled.
B) defendants must uphold the plea agreement or suffer the consequences.
C) a plea of guilty may be accepted in exchange for a lesser sentence by a defendant who maintains his or her innocence.
D) defendants must state that they are voluntarily making a plea of guilty.