The correct option is A Pacific ocean
Pacific Ocean lies in the East of Asia .The Pacific Ocean is the largest ocean in the world having 1/3 of the globe,extends from east to west for 16,000km from the East coast of Asia in the West to the West coast of America's in the East and for 14,880km north to south between Bering Strait in the north to Cape Ader (Anteractica) in the south. Average depth of the ocean is 4,572m.