Context: Mammals have hair or fur and feed their young milk.
Mammals are warm-blooded. Warm-blooded animals can control their body temperature.
A koala is an example of a mammal.
Select the mammal below.
A. kangaroo
B. loon
C. great crested newt
D. poison dart frog
Identify the correct choice from the options below and respond with the letter of the correct option.

A