Correct Option: A

Australia has many of the most unique animals in the world, not to mention the birds and reptiles. Marsupials are the most common and prolific group in Australia such as the kangaroo and koala, wallaby, wombat, bandicoot, kultarr, marsupial mole, dunnart, cuscus, possum, Tasmanian wolf, Tasmanian devil, and many others. There are also unique egg-laying mammals like the platypus and the echidna.