The answer is: C. Greenland
Greenland is the only option that is not an island. It is an autonomous territory within the Kingdom of Denmark, located between the Arctic and Atlantic Oceans, east of the Canadian Arctic Archipelago. It is the world’s largest island, and the world’s largest island outside of Australia, covering 2,166,086 square kilometers (836,330 sq mi). Greenland is also the world’s second-largest country by area, after Russia, and the world’s largest non-continental country.
Madagascar is an island country in the Indian Ocean off the coast of Southeast Africa. It is the world’s fourth-largest island, after Greenland, New Guinea, and Borneo. Madagascar and its nearby smaller islands form an autonomous region within the Republic of Madagascar. The capital and largest city is Antananarivo.
Cuba is an island country in the Caribbean Sea. It is the largest island in the Caribbean and the 16th-largest island in the world by area. Cuba is the only country in the world that lies entirely within the tropics. The capital and largest city is Havana.
Hawaii is a U.S. state in the Pacific Ocean. It is the only state outside North America, the only state that is an archipelago, and the only state in the tropics. Hawaii is also one of the most isolated population centers in the world, and the only U.S. state with an Asian plurality. The capital and largest city is Honolulu.
Chile is a long, narrow country in South America. It is the longest country in the world, at 4,270 kilometers (2,653 mi). Chile is bordered by Peru to the north, Bolivia to the northeast, Argentina to the east, and the Pacific Ocean to the west. The capital and largest city is Santiago.