In his stories, Arthur Conan Doyle portrays Sherlock Holmes as __________.
A.) a quiet and unassuming hero who is reluctant to accept any credit for his skills
B.) a bumbling and unconventional hero who relies on his sidekick to solve cases
C.) a physically strong and highly emotional hero who acts on instinct rather than intellect
D.) an intelligent and highly logical hero who is an archetype for many other literary figures