The Results Showing That Research Participants Dressed in Ku Klux

The results showing that research participants dressed in Ku Klux Klan uniforms shocked significantly more than those dressed in nurse uniforms when given the opportunity to administer shock to other individuals as part of a learning experiment support the idea that

A) people obey the authority of the experimenter regardless of what their personal beliefs are.
B) deindividuated individuals do not necessarily become more anti-social, but they rather conform to what is perceived as the current norm.
C) people are more aggressive when they are deindividuated.
D) the tendency to adopt in-group norms will be greater when there is more than one group present in that situation.