Which sentence represents the author's point of view on sea otters and their grooming habits? A Unlike most sea mammals, sea otters do not have an inner layer of fat to protect them from the cold water.
B Sea otters have one of the thickest furs in all of the animal kingdom.
C Adult sea otters spend more than a third of their day grooming their fur.
D It is crucial that a sea otter's fur is kept clean to maintain this insulating layer between the water and their skin.