Which of the Following Is Not a Factor in Wilson's

Which of the following is not a factor in Wilson's argument as to why the racial underclass exists?

A) Changes in the economy have restructured occupations and relocated industries
B) Political processes (like affirmative action) have separated the black working and middle class from the black poor.
C) Urban migration, changes in the age structures, a limited pool of marriageable men, and social isolation have negatively influenced factors such as employment and income distribution.
D) Ghetto residents are isolated and have limited access to mainstream social networks that facilitate social and economic mobility.
E) None of the above