Who is the detective in the mystery novels by Arthur Conan Doyle, known for his logical reasoning and friendship with Dr. John Watson?
A. Sherlock Holmes
B. Hercule Poirot
C. Miss Marple
D. Sam Spade
Sherlock Holmes is the detective in the mystery novels by Arthur Conan Doyle, known for his logical reasoning and friendship with Dr. John Watson, engaging in solving complex cases in Victorian London.