This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Alcohol-Related Disorders, Subject name: Psychiatry
[{'content': 'Delirium tremens is caused by? \nSelect and explain. \nA. Chronic alcoholism, B. Alcohol withdrawal, C. Cocaine abuse, D. Cocaine withdrawal', 'role': 'user'}, {'content': "Answer: B \nExplanation: ANSWER: (B) Alcohol withdrawalREF: Kaplan & Sadocks Synopsis of Psychiatry 9th edition page 396-413ALCOHOL INDUCED CONDITIONSAlcohol withdrawal syndromeChronic use syndromes* Hangover (most common)* Alcoholic Hallucinosis* Alcoholic seizures (Rum fits)* Delirium Tremens* Wernicke's Encephalopathy* Korsakoff's Psychosis* Marchiafava Bignami disease", 'role': 'assistant'}]