Social Scientist Charles Murray Suggests in a Recent Book That

Social Scientist Charles Murray suggests in a recent book that

A) America is becoming more polarized in matters of race.
B) America is becoming a two-caste society with an increasing gap between rich and poor.
C) America is becoming more diverse, which is narrowing the income gap between rich and poor.
D) America is becoming more traditional in terms of family structure.
E) All of the above are true.