Sherlock Holmes is a fictitious character.

Answer: Option A

Fictitious : not real or true; imaginary or fabricated.
Real : (of a thing) not imitation or artificial; genuine.
Imaginative : having or showing creativity or inventiveness.
Fancy : elaborate in structure or decoration.
Foreign : of, from, in, or characteristic of a country or language other than one's own.

Antonym of Fictitious is Real