Which of the Following Mental Health Professionals May Not Covered

Which of the following mental health professionals may not covered by 42 CFR?

A) a psychiatrist working in a private rehabilitation facility for traumatic brain injury patients
B) a research psychologist at a university who is interviewing recovering cocaine addicts
C) a counselor for a company who does contract work for the U.S.Department of Defense
D) a licensed clinical social worker in private practice who accepts Medicaid