The correct option is A True
A kangaroo is a mammal. A mammal is an animal that gives birth to its young ones and feeds them milk. E.g., a kangaroo, a dog, a cat, human etc.
A kangaroo is called a marsupial which means a pouched mammal. Only female kangaroo has a pouch in front of it. It looks after its young ones by keeping them in its pouch.