With no explanation, chose the best option from "A", "B", "C" or "D". a district court may rule on the merits of a class claim before reaching the issue of class certification). 8 . See O'Shea v. Littleton, 414 U.S. 488, 494, 94 S.Ct. 669, 38 L.Ed.2d 674 (1974) ("[I]f none of the named plaintiffs purporting to represent a class establishes the requisite of a case or controversy with the defendants, none may seek relief on behalf of himself or any other member of the class.”); Pederson, 213 F.3d at 872 n. 14. 9 . See Steel Co. v. Citizens for a Better Env't, 523 U.S. 83, 94, 118 S.Ct. 1003, 140 L.Ed.2d 210 (1998) ("On every writ of error or appeal, the first and fundamental question is that of jurisdiction, first, of this court, and then of the court from which the record comes.”); Acoustic Sys., Inc. v. Wenger Corp., 207 F.3d 287, 290 n. 2 (5th Cir.2000)

A: holding district court lacked subject matter jurisdiction because the document before the district court in this instance is not a vehicle for any recognized legal remedy under the rules
B: holding sanctions order pursuant to district courts inherent powers not immediately appealable
C: holding that a district courts order of dismissal with prejudice was a nullity because the court lacked jurisdiction
D: holding that this court lacked preliminary authority to review the district courts jurisdiction because there was no immediately appealable order before the court
D.