The correct option is D submerged mountain range
Mid -Atlantic is a submerged mountain range, representing the zone of divergent or constructive plate margins. It is S shaped extends for 14,450 km from Iceland in the north and the Bouvet Iceland in the south. The ridge is known as Dolphin Rise to the north and Challenger Rise to the south of equator. It is known as Wyville Thompson Ridge between Iceland and Scotland. The ridge becomes quite extensive to the south of Greenland and Iceland and called Telegraphic Plateau.