Based on Research into Ethical Behavior in the Workplace,which of the Following

Based on research into ethical behavior in the workplace,which of the following is a true statement?

A) offering rewards for ethical behavior supports the intrinsic nature of personal ethics
B) punishing unethical behavior fails to alter the behavior of others in the workplace
C) managers significantly influence the ethical behavior of their subordinates
D) employees feel uncomfortable discussing ethics, so it should be avoided