Final answer:
When a customer calls the pharmacy for a refill request with no refills remaining, the recommended action is to contact their doctor and request additional refills.
Step-by-step explanation:
If a customer calls the pharmacy with a refill request and they have no refills remaining, the appropriate action would be d. contact their doctor and request additional refills. This is because pharmacists do not have the authority to refill prescriptions without a doctor's authorization. By reaching out to the doctor, the pharmacy can request additional refills for the patient.