This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pathology
[{'content': "Pseudopolyps are features of- \nSelect and explain. \nA. Crohn's disease, B. Ulcerative colitis, C. Celiac sprue, D. Whipple's disease", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Isolated islands of regenerating mucosa often bulge into the lumen to create small elevations, termed as pseudopolyps in Ulcerative Colitis TEXTBOOK OF ROBBINS BASIC PATHOLOGY NINTH EDITION PAGE.590 IMAGE REF: TEXTBOOK OF PATHOLOGY HARSH MOHAN, 6TH EDITION, FIG: 20.27 PAGE :568', 'role': 'assistant'}]