Which of the Following Ideas Was Expressed in the Passing

Which of the following ideas was expressed in The Passing of the Great Race by Madison Grant?

A) Lynching of African Americans in the southern states is so prevalent that it is akin to genocide.
B) White Americans of Anglo-Saxon descent are rapidly becoming a minority in the United States.
C) The loss of power and prestige by the nations of Europe means that the United States must assume the responsibility for preserving the traditions of Western culture.
D) Immigrants from southern and eastern Europe are mentally and morally inferior and are a threat to the strength of American society.