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': 'Serum amylase level is raised in A/E \nSelect and explain. \nA. Blocked salivary duct, B. Ruptured ectopic, C. Appendicitis, D. Pancreatitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]