Final answer:
Dr. John Watson serves as the first-person narrator in the majority of Sherlock Holmes stories by Sir Arthur Conan Doyle, offering a personal perspective on the narrative. Sherlock Holmes, a mythical detective created by Doyle, is known for his deductive genius, although he was not a real person.
Step-by-step explanation:
In the majority of the Sherlock Holmes stories, the character used as the first-person narrator is b) Dr. John Watson. Watson is the companion and friend of Sherlock Holmes, and he narrative voice provides a perspective that is personal and biased in its nature, as he is a participant in the events he recounts.
Doyle's choice of Watson as the narrator allows readers to experience the detective's genius through the eyes of an associate who admires him. Unlike Sherlock Holmes, Dr. Watson is not always privy to the inner thoughts and feelings of other characters, and this can shape the readers' understanding of the storyline.
Sherlock Holmes, the mythical detective of Sir Arthur Conan Doyle's creation, has fascinated readers with his incredible deductive capabilities. Though Holmes was not a real person, he is often regarded as one of history's most iconic fictional characters.