This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Receptor mediated action is not seen in: \nSelect and explain. \nA. Alcohol, B. Antipsychotic, C. Antacids, D. Benzodiazepines', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]