Answer: D. Our sense of what is right or wrong is not an instinctive part of us.
Step-by-step explanation:
Nietzsche’ argues that there´s not an inherent moral code in our nature, and denounce the Christian church as responsible of Anti-Natural morality as well as determined to refrain people´s instinctive actions.
Zimbardo also denies the existance of an innate morality as the predominant influence in people´s actions, claiming that social conditions have stronger impact on human behavior than morality does.