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': 'The following cereals should be avoided in patients with celiac diseases, except \nSelect and explain. \nA. Wheat, B. Barely, C. Maize, D. Rye', 'role': 'user'}, {'content': 'Answer: C \nExplanation: . Maize', 'role': 'assistant'}]