Which of the Following Best Describes What Was Learned from the Stanford

Which of the following best describes what was learned from the Stanford Prison experiment?

A) People may initially adopt the role to which they are assigned but they quickly return to their own identity.
B) People may initially adopt the role to which they are assigned, but after a short period of time they begin to question the decisions of those in authority.
C) The findings of the study appear to predict behaviours in similar situations such as prison, or prisoner-of-war camps.
D) There was little learned from this study because it was so ethically flawed the findings were tainted.