Which of the Following Summarizes Sociological Research on Racial Progress

Which of the following summarizes sociological research on racial progress in America?

A) the picture is dire, with great disparities in wealth and access to opportunities between whites and blacks.
B) the picture is optimistic, with improved measures of success for blacks in education, income, and job opportunities.
C) the picture is muddied, with great disagreement still existing about the assimilation and progress that blacks have made since the 1960s.
D) all of the above are correct