单选题 According to Foley, which of the following aspects of the political and historical events of the late twentieth-century confirm Darwinian theory?

• (A) Social conservatism demands that human beings conform to established standards of behavior.
• (B) As a movement, Nazism was doomed to perish by the same evolutionary forces that govern the expression of human emotions.
• (C) The events of the twentieth century prove that social and biological thinking are incommensurate with one another.
• (D) The disintegration of the postwar order was brought about by faulty relativist thinking.
• (E) The decline of social progress indicates that social goals are limited by biological forces.