If a Counselor Suspects a Colleague of an Ethical Violation

If a counselor suspects a colleague of an ethical violation, the first step is typically _____

A) Call the state licensure board and request the license of the offending counselor be revoked
B) Call the counselor's clients to verify the ethical violation and see if the clients were harmed
C) Call the police and report the violation
D) Speak to the colleague directly to see if s/he is aware of the violation and willing to correct it