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: Medicine
[{'content': "Antigliadin antibodies are delectable in - \nSelect and explain. \nA. Tropical sprue, B. Whipple's disease, C. Celiac disease, D. Intestinal lymphoma", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Anti-gliadin antibodies were one of the first serological markers for coeliac disease. Problematic with AGA is the typical sensitivity and specificity was about 85% Ref Davidson edition23rd pg 806', 'role': 'assistant'}]