What Does Bouma (1992: 60)argue Is the Core of Fundamentalism

What does Bouma (1992: 60) argue is the core of fundamentalism?

A) Its origins in the US post-World War I when evangelical Protestants protested liberal interpretations of Scriptures
B) The Hillsong Protestant church in Sydney's Northwest suburb whose high technology approach attracts young people
C) Opposition to homosexuality,abortion,using the pill for birth control,and women holding non-traditional roles
D) Devotion to a belief system which is taken as the only valid system