Correct Option: D

The deepest lake of the world is Baikal lake. Lake Baikal is the most voluminous freshwater lake in the world, containing roughly 20% of the world's unfrozen surface fresh water and at 1,642 m (5,387 ft), the deepest. It is also among the clearest of all lakes, and thought to be the world's oldest lake in 25 million years. It is the 7^th largest lake in the world by surface area.