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 is the most likely cause of protein - losing enteropathy \nSelect and explain. \nA. Menetrier's disease, B. Monosaccharidase deficiency, C. Sarcoidosis, D. Celiac sprue", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]