Final answer:
C. Auguste Dupin from Edgar Allan Poe's works is mentioned in Sherlock Holmes as an early literary detective influencing Doyle's character.
Step-by-step explanation:
The character from Edgar Allan Poe's works that is mentioned in Sherlock Holmes is C. Auguste Dupin. Dupin is a fictional detective created by Poe, known for his role in "The Murders in the Rue Morgue," "The Mystery of Marie Rogét," and "The Purloined Letter." Sherlock Holmes, a character created by Sir Arthur Conan Doyle, acknowledges Poe's character in a respectful nod to Dupin as a forerunner in the detective genre. This reference establishes a literary lineage and acknowledges Poe's influence on Doyle's creation of Holmes.