Which of These Is True Regarding Assessment and Monitoring of the Ethics

Which of these is true regarding assessment and monitoring of the ethics of a corporate culture?

A) Ongoing ethics audits can uncover silent vulnerabilities that could later challenge the firm.
B) Ongoing ethics audits can serve as a vital element in risk assessment and prevention.
C) Ongoing ethics audits can enable organizations to spot weak areas before other stakeholders (internal and external) can spot them.
D) Ongoing ethics audits can and do serve all of these functions within an organization.