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': 'All the following are true of duodenal ulcer pain except: \nSelect and explain. \nA. relieved by food, B. occurs 2 - 3 hours after going to bed, C. periodic pain, D. relieved by alcohol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]