With no explanation, chose the best option from "A", "B", "C" or "D". state plans “to provide for granting an opportunity for a fair hearing before the State agency [responsible for the Medicaid program] to any individual whose claim for medical assistance under the plan is denied or is not acted upon with reasonable promptness,” § 1396a(a)(3), and generally states that the United States Secretary of Health and Human Services should withhold future Medicaid payments to states, that fail to comply with § 1396a of the Act, see § 1396c. Medicaid regula tions regarding the fair hearing process are more extensive, but they are not incompatible with § 1983 enforcement. See 42 C.F.R. § 431.200-250 (2002); Blessing, 520 U.S. at 348, 117 S.Ct. 1353 (commenting specifically upon the “limited state grievance procedures for individuals” in the Medicaid Act); id. (<HOLDING>); accord Wilder, 496 U.S. at 521, 523, 110

A: holding that an appeal is not moot so long as the appellate court can fashion relief that is both effective and equitable internal quotation marks omitted alteration in original
B: holding that a plaintiffs ability to invoke  1983 cannot be defeated simply by the availability of administrative mechanisms to protect the plaintiffs interests alteration in original and quotation marks omitted
C: holding that supervisory liability under  1983 must be based on active unconstitutional behavior and cannot be based upon a mere failure to act internal quotation marks omitted
D: holding that a ruling from a prior decision of this court becomes the law of the case that cannot be challenged in a later proceeding quotation marks omitted
B.