According to the passage, film industry executives have been reluctant to support African-American cinema for which of the following reasons

A． Executives believe that African-American audiences are often repelled by the presentation of ideological issues in film.
B． Executives conclude that African-American cinema is not likely to attract audiences overseas.
C． Executives are of the opinion that African-American actors who emerge as stars are reluctant for the executives to associate them with "black" films.
D． Executives are under the impression that there are many strong African- American producers, but few willing to work with mainstream studios.
E． Executives are reluctant to support films which contain too many negative stereotypes about African-Americans.