This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammatory Bowel Disease, Subject name: Medicine
[{'content': 'Most common extraintestinal manifestation of Inflammatory bowel disease? \nSelect and explain. \nA. Dermatological, B. Rheumatological, C. Metabolic bone disease, D. Hepatobiliary', 'role': 'user'}, {'content': 'Answer: B \nExplanation: IBD MC Extraintestinal manifestation is Rheumatological-Migratory polyahritis (Asymmetrical)-Sacroiliitis , A. Spondylitis', 'role': 'assistant'}]