The correct option is B Greenland
Any
piece of sub-continental which is surrounded by water is known as island. Greenland
is the largest island in the world. It
covers a distance of 2,175,597 square kilometers. It is situated in far
northeast of North America. It is a part of the Kingdom of Denmark. It is the
least densely populated country in the world. Its closest neighbouring
countries are Iceland to the South-East, Canada to the West and Svalbard in
Norway to the North-East.