The correct option is A Pacific ocean
The Pacific ocean is the largest ocean of the world having one third of the globe. It extends from the east to west for 16,000 kilometers from the east coast of Asia in the west to the west coast of America in the east and for 14,880 kilometers north to south between Bering Strait in the north to Cape Adre (Antarctica) in the south. Average depth of the ocean is 4,572 meters. The Pacific ocean is more or less uniform broad and extensive sea floor is characterized by several swells, rises, sea mounts and depressions. The ocean has the largest number of islands.