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': 'Causes of Hiccups are \nSelect and explain. \nA. Gastric distention, B. Alcohol ingestion, C. Sudden temperature changes, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Other causes: Excitement, stress.', 'role': 'assistant'}]