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': 'In Henoch Scholien purpura there is all except: \nSelect and explain. \nA. Abdominal pain with proteinurea, B. Acute arthritis, C. Rectal bleeding, D. More common in adults', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]