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: Psychiatry
[{'content': 'Most common symptom of alcohol withdrawal is: \nSelect and explain. \nA. Bodyache, B. Tremor, C. Diarrhoea, D. Rhinorrheo', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B ie. Tremor', 'role': 'assistant'}]