With no explanation, chose the best option from "A", "B", "C" or "D". of supervised release is generally determined based on the grade of the release violation and the defendant’s underlying criminal history cate gory. See U.S.S.G. § 7B1.4(a). Where a defendant commits a Grade A release violation, as Mr. Ceasar did, he receives a higher guideline range if his underlying conviction was for a Class A felony. See id. “An offense that is not specifically classified by a letter grade in the section defining it, is classified [according to] the maximum term of imprisonment authorized.” 18 U.S.C. § 3559(a). The crime is considered a Class A felony where the maximum penalty is death or life imprisonment, and a Class B felony where the maximum term of imprisonment is 25 years or more. See § 3559(a)(1) & (2). Although Congress did not specify a m (5th Cir.1991) (<HOLDING>). Because the district court properly

A: holding constitutional the recidivismbased mandatory life sentence penalty created by 18 usc  3559
B: holding for the purposes of 18 usc  924e that being a felon in possession of a firearm is not a violent felony as defined in 18 usc  924e2b
C: holding that 18 usc  1919 did not implicitly repeal 18 usc  1001
D: holding that crimes subject to a minimum sentence of 15 years under 18 usc  924e1 are properly characterized as class a felonies under 18 usc  3559
D.