What is a doctor’s responsibility if a patient requests restrictions on the use of his or her PHI?

What is a doctor's responsibility if a patient requests restrictions on the use of his or her PHI? A. The doctor must comply with the patient's wishes if the patient has good cause. B. The doctor need not comply with the patient's wishes if HIPAA would otherwise permit the use. C. The doctor must comply with the patient's wishes. D. Since HIPAA doesn't address this issue, the doctor is free to decide on a case-by-case basis.