Which of the Following Conclusions About Human Nature and Morality

Which of the following conclusions about human nature and morality can be drawn from the Stanley Milgram experiment involving electric shocks?

A) Personal gain does not often factor into unethical behavior that harms others.
B) People will choose to harm others if they believe it makes the community healthier.
C) Good people have basic moral boundaries that almost nothing will compel them to cross.
D) Direction from authority can convince good people to harm others.