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': 'Pleomorphic adenoma is most commonly found in: \nSelect and explain. \nA. Parotid gland., B. Sublingual gland., C. Submandibular gland., D. lacrimal gland.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]