听下面一段材料,回答第1-3题。 1. What kind of film did Hollywood produce in the 1940s? A. Gangster movies. B. Violent movies. C. Detective movies. 2. Where is Hollywood located? A. In northern California. B. In southern California. C. In eastern California. 3. Which kind of film is about serious subjects according to the man ? A. Western films about early settlers. B. Gangster films about America’s cowboys. C. Detective movies about Western policemen.