Which of the following best illustrates the connection between Arthur Conan Doyle's writing style and that of other prominent authors of detective fiction? A. Doyle's plot lines contrast with Agatha Christie's in that Doyle makes extensive use of dramatic irony. B. Doyle is the first author ever to write detective stories. C. Doyle's writing is similar to Edgar Allan Poe's owing to their shared reliance on unity of intended effect. D. Doyle swapped story ideas with many popular novelists of the time.