With no explanation, chose the best option from "A", "B", "C" or "D". Daniel Manriquez, a California state prisoner, appeals pro se the dismissal of his 42 U.S.C. § 1983 civil rights action against prison officials. He contends that the district court erred in dismissing seven claims regarding his continued confinement in a “Security Housing Unit” and in concluding that his Eighth Amendment claim was barred by the statute of limitations. We have jurisdiction under 28 U.S.C. § 1291, and we affirm. We s finished exhausting administrative remedies, in May 2003. See Brown v. Valoff, 422 F.3d 926, 943 (9th Cir.2005) (<HOLDING>). Manriquez is not entitled to additional,

A: holding that the limitations period is not tolled while a federal habeas petition is pending
B: holding that statute of limitations is tolled while prisoner completes mandatory exhaustion process
C: holding that exhaustion is mandatory and jurisdictional
D: recognizing that exhaustion is mandatory and jurisdictional
B.