With no explanation, chose the best option from "A", "B", "C" or "D". but the Court lacks the ability to do so. Although a sentence may not typically be modified once imposed, “the [C]ourt, upon motion of the Director of the Bureau of Prisons, may reduce the term of imprisonment ... if it finds that ... extraordinary and compelling reasons warrant such a reduction.” 18 U.S.C. § 3582(c)(l)(A)(i). A prisoner’s serious medical condition may amount to an “extraordinary and compelling reason” however, “[w]here the Bureau of Prisons has not moved to reduce the terms of a defendant’s sentence, the Court may not modify a term of imprisonment [on grounds of a medical condition].” United States v. DeFeo, No. 90 Cr. 250, 2008 WL 2557425, at *3 (S.D.N.Y. June 26, 2008) (citations omitted); see also United States v. Olachea-Merida, 242 F.3d 385, 385 (9th Cir.2000) (<HOLDING>); United States v. Smartt, 129 F.3d 539, 541

A: holding untimeliness of motion to modify medical insurance payment did not preclude motion to modify maintenance
B: holding that the trial court lacked subject matter jurisdiction to modify the sentence originally imposed by imposing an additional term of fifteen years suspended sentence
C: holding the court had no jurisdiction to modify a validly imposed sentence on prisoners own motion
D: holding that no sentence is imposed in the case of a sis
C.