What can be inferred from the passage A．T
题型：单项选择题
问题：
What can be inferred from the passage
A．The resistance to interracial marriages in the South still stays firm.
B．The number of interracial marriages involving Asians, Latinos and Native Americans is greater than that of black-white marriages.
C．There were no mixed marriages in Alabama until three years ago.
D．The rise of an educated black middle class has increased opportunities for blacks and whites to develop romantic relationships.