In which one of the following sets of animals do all the four give birth to young ones?
(a) Lion, bat, whale, ostrich
(b) Platypus, penguin, bat, hippopotamus
(c) Shrew, bat. cat, kiwi
(d) Kangaroo, hedgehog, dolphin, loris
Correct option (d) Kangaroo, hedgehog, dolphin, loris
Explanation:
Kangaroo, hedgehog, dolphin and loris are all mammals. These give birth to young ones.
