After reading the review of the book Schindler's Ark and meeting Pfefferberg in 1983, Spielberg expressed enough interest in putting the story into a film. But later he tried to pass the project to other film directors. Why?
A. Because Spielberg was taking on another Holocaust Drama then. B. Because Spielberg’s mother was killed during the Holocaust. C. Because Spielberg was worried that the topic would cause controversies. D. Because Spielberg was not sure whether he was good enough to make the film.