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: Surgery
[{'content': 'Tachycardia, nervousness, intolerance to heat and exophthalmos are seen in: \nSelect and explain. \nA. Hyperthyroidism, B. Hypothyroidism, C. Hyperparathyroidism, D. Hypoparathyroidism', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]