Which of the following is a best practice to ensure a successful fraud reporting program?

Which of the following is a best practice to ensure a successful fraud reporting program?
A . The company should communicate that fraud, waste, and abuse are more likely to occur in large organizations than small ones.
B. The company should require employees with information about potential fraud to report it directly and only to their immediate supervisor.
C. Employees are held accountable for reporting tips that are not able to be substantiated
D. Employees should be informed that, to the extent possible, their names will not be disclosed.

Answer: D