After a Patient Undergoes Surgery, the Nurse Notes That the Analgesics

After a patient undergoes surgery, the nurse notes that the analgesics prescribed are not relieving the patient's pain. A review of the patient's medical records reveals a history of alcohol abuse. What inferences can the nurse make?

A) The patient is likely cross-tolerant to the prescribed analgesic.
B) The patient has an unreported addiction to the pain medication being prescribed.
C) The patient has a history of using this medication at home.
D) The patient has a dual diagnosis relating to alcohol and drug addiction.