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': 'Drug to be avoided in HOCM (Hypertrophic obstructive cardiomyopathy) is: \nSelect and explain. \nA. Amiodarone, B. Verapamil, C. Digoxin, D. Beta–blockers', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]