It may be inferred that the author of the passage considers The Birth of a Nation to be

A movie that would likely require the input of African-Americans, were it to be remade
B. A movie that African-Americans would be unlikely to respond to in a positive fashion
C. A movie outside African-American cinema whose adaptation to the African- American genre would likely prove awkward
D. A movie that validates the pathologies it depicts in the African-American community
E. A movie made with limited knowledge of the African-American community