Final answer:
Giraffe is the correct option that is not fiction.
Step-by-step explanation:
The correct option that is NOT fiction is B, Giraffe. A giraffe is a real animal that exists in the natural world. Although it may seem unlikely due to its unique appearance, giraffes are actual creatures that live in sub-Saharan Africa. Fictional creatures like unicorns, dragons, and elves do not exist in reality and are creations of human imagination found in literature and folklore.