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': 'Which of the following vitamin deficiencies is uncommon in celiac disease \nSelect and explain. \nA. Vitamin D, B. Folic Acid, C. Vitamin A, D. Vitamin B12', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is `d' i.e., Vitamin B12 'Vitamin B is absorbed from the body in the end pa of small intestine (terminal ileum). Because this pa of the bowel is seldom damaged - by celiac disease, Vitamin Bit deficiency is not common in this condition'", 'role': 'assistant'}]