Which of the Following Best Represents the Way for Managers

Which of the following best represents the way for managers to become an approachable and trustworthy source of ethics in their organization?

A) Hold an annual department meeting to review the code of ethics.
B) Respond quickly to ethical issues but do not make such discussions a part of regular work.
C) Keep an open-door policy but do not preemptively raise the issue of ethics.
D) Participate in regular ethics dialogue and refer often to the organization's code of ethics.