With no explanation, chose the best option from "A", "B", "C" or "D". tort itself, not the "parties” in the legal sense of the word. 4 . Executive Jet Aviation v. City of Cleveland, 409 U.S. 249, 255, 93 S.Ct. 493, 498, 34 L.Ed.2d 454, 1973 A.M.C. 1 (1972). 5 . 485 F.2d 520, 525, 1973 A.M.C. 2478 (5th Cir.1973), cert. denied, Chicot Land Co. v. Kelly, 416 U.S. 969, 94 S.Ct. 1991, 40 L.Ed.2d 558 (1974). 6 . Kelly, 485 F.2d at 524. 7 . See n. 3, supra. 8 . 409 U.S. at 261, 93 S.Ct. at 501, 34 L.Ed.2d at 463. 9 . 409 U.S. at 268, 93 S.Ct. at 504, 34 L.Ed.2d at 467. 10 . 409 U.S. at 274, 93 S.Ct. at 507, 34 L.Ed.2d at 471. 11 . This fortuity has led to the development of often subtle nuances in the determination of whether a particular claim, or part of a claim, may be characterized as maritime. Compare Smith v. Pan Air Corp., 684 F.2d 1102 (5th Cir.1982) (<HOLDING>) with Barger v. Petroleum Helicopters, Inc.,

A: holding that a complaint that asserts both admiralty jurisdiction and diversity jurisdiction is not an adequate 9h designation to trigger admiralty procedures
B: holding that courts apply substantive admiralty law to claims that sound in admiralty regardless of whether the complaint invokes diversity or admiralty jurisdiction
C: holding the loss of a helicopter in the gulf of mexico within the admiralty jurisdiction
D: holding that admiralty jurisdiction extends to maritime insurance contracts
C.