In the following paragraphs, how does King shift the idea of being an extremist from something negative to something positive?

A. King shifts the idea of being an extremist from something negative to something positive by giving examples of positive extremis
B King shifts the idea of being an extremist from something negative to something positive by falling below his environment.
C King shifts the idea of being an extremist from something negative to something positive by showing how the people in these allusions supported segregation
D King shifts the idea of being an extremist from something negative to something positive by giving examples of segregationists.