With no explanation, chose the best option from "A", "B", "C" or "D". the preferable mode of disposing of issues of fact in criminal cases above the grade of petty offenses. In such cases the value and appropriateness of jury trial have been established by long experience, and are not now to be denied. Not only must the right of the accused to a trial by a constitutional jury be jealously preserved, but the maintenance of the jury as a fact finding body in criminal cases is of such importance and has such a place in our traditions, that, before any waiver can become effective, the consent of government counsel and the sanction of the court must be had, in addition to the express and intelligent consent of the defendant. The Court reaffirmed Patton in Adams v. United States ex rel. McCann, 317 U.S. 269, 277-78, 63 S.Ct. 236, 240-41, 87 L.Ed. 268 (1942) (<HOLDING>). Congress then codified the terms upon which a

A: holding that juveniles may waive right to counsel only upon advice of counsel
B: holding that under the sixth amendment a criminal defendant may waive his right to counsel if that waiver is knowing intelligent and voluntary
C: holding that a federal criminal defendant may waive jury trial without advice of counsel
D: recognizing that defendant may waive miranda rights
C.