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: Medicine
[{'content': 'Thickening of ventricular walls is due to \nSelect and explain. \nA. Metaplasia, B. Anaplasia, C. Hypertrophy, D. Hyperplasia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]