This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': "Friedreich's ataxia is usually not associated with \nSelect and explain. \nA. Acid-peptic disorder, B. Cardiovascular abnormalities, C. CNS abnormalities, D. Peripheral nerve involvement", 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]