What Statement Is True of the Years Between 1970 and 2010

What statement is true of the years between 1970 and 2010?

A) The income of black families surpassed that of white families.
B) Nearly 70 percent of the black population attended college.
C) African immigrants settled largely in suburbs.
D) Schools became increasingly diverse, as most city public schools had an equal mix of white and black students.
E) More than twice as many Africans immigrated to the United States as had entered during the entire period of the Atlantic slave trade.