According to the passage, each of the following is characteristic of African- American films being produced at present, EXCEPT
A． A tendency to glamorize the problems existing in African-American urban communities B． Success in attracting audiences outside the African-American community C． A solid profitability despite a lack of industry investment D． A limited level of authenticity in terms of their presentation of African- American culture E． Long-term viability as a genre in which audiences keep a consistent interest