Michael Curtiz, who directed Casablanca among other notable films, is not considered an auteur filmmaker for what basic reason?

A. He directed dozens of movies in the same signature style.
B. He made all of his films at Warner Brothers studio.
C. He was a skillful technician who had little say in script, casting or editing.
D. He took only on one project at a time, and each film took years to complete.

Answer: C