Which one of the following best states the main point the passage? A. Because the career of Miles Davis was characterized by frequent shifts in styles, he never fulfilled his musical potential. B. Because the career of Miles Davis does not fit neatly into their preconceptions about the life and music of jazz musicians, jazz critics have not accorded him the appreciation he deserves. C. Because the career of Miles Davis was unusually long and productive, he never received the popular acclaim generally reserved for artists with more tragic life histories. D. The long and productive career of Miles Davis spawned most of the major stylistic changes affecting twentieth-century jazz. E. Miles Davis' versatility and openness have inspired the admiration of most jazz critics.