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: Pathology
[{'content': 'Which of the following is true about celiac sprue: September 2009 \nSelect and explain. \nA. Associated with HLA-DR4, B. Antiendomysial antibodies are highly specific and sensitive than other antibodies, C. Anti-gliadin antibodies are IgA/IgG, D. No predisposition to malignancy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Anti-gliadin antibodies are IgA/IgG', 'role': 'assistant'}]