The Fact That the Works of Martineau, McClung, and Du

The fact that the works of Martineau, McClung, and Du Bois were kept at the margins of sociology due to the widespread belief in the inferiority of women and racialized groups illustrates:

A) the role of biology in shaping social history.
B) the role of economic inequality in the history of sociology.
C) the lack of sophisticated thought in early social history.
D) the role of societal forces in shaping the history of sociology itself.
E) the inability to ignore social forces that characterizes early societies.