What Does the Stanford Prison Study Tell Us About the Relationship

What does the Stanford Prison Study tell us about the relationship between social roles and behaviour?

A) People who are naturally aggressive and authoritarian seek out social roles that allow them to behave in this way.
B) "Good"people will refuse to behave according to the norms of a social role if they are required to be harsh or abusive to other people.
C) When people are placed in social roles with a lot of power,their behaviour often changes to fit their new role.
D) Inmates naturally take on different social roles in a prison,with some becoming aggressive and authoritarian,while others become passive and submissive.