With no explanation, chose the best option from "A", "B", "C" or "D". activity of the manufacture and design of a pleasure boat. See Roane v. Greenwich Swim Committee, 330 F.Supp.2d 306, 314-15 & n. 4 (“The proper design and manufacture of a [non-commercial] vessel intended for use on navigable waters bears a substantial relationship to traditional maritime activity.”); see also Hassinger v. Tideland Elec. Membership Corp., 781 F.2d 1022 (4th Cir.1986) (admiralty jurisdiction over negligence claim by pleasure boat sailors against boat manufacturer, marketer, supplier, and seller) (“[0]ne of the purposes of admiralty law is to protect [recreational] sailors from defective equipment while they are engaged in maritime activity.”); see generally East River Steamship Corp. v. Transamerica Delaval, Inc., 476 U.S. 858, 865, 106 S.Ct. 2295, 90 L.Ed.2d 865 (1986) (<HOLDING>). Accordingly, this Court may exercise its

A: recognizing that substantial change is a defense to a products liability claim
B: recognizing products liability and products actions based on negligence as part of the general maritime law
C: recognizing products liability concepts as part of general maritime law
D: holding that although the district court recognized confusion based on similarity of products it failed to give proper weight to the virtual identity of the parties products
B.