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': 'Atenolol is indicated in all EXCEPT: \nSelect and explain. \nA. Hypertension, B. Partial heart block, C. Hypertrophic obstructive cardiomyopathy, D. Classical angina', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]