Concept:The Cape route is the major sea path for shipping West African crude oil to European markets.Explanation:West African oil-producing countries send their crude oil to Europe mainly around the southern tip of Africa.This route is the Cape route, which follows the Atlantic Ocean along the western coast of Africa.It is preferred because it can handle very large crude-oil tankers.The Panama Canal route, Suez Canal route, and North Atlantic route are not the primary routes for this trade.Answer:B. the cape route