4. Why did W.E.B. Du Bois oppose the ideas of Booker T. Washington?
A. Du Bois embraced the idea of teaching only trade skills.
B. Du Bois rejected the idea of gradual progress.
C. Du Bois embraced the idea of adapting to the ruling class.
D. Du Bois rejected the idea of joining the National Association for the Advancement of Colored People (NAACP).
