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: Dental
[{'content': 'Tubule of serous acinar cell gland is lined by? \nSelect and explain. \nA. Stratified columnar, B. Simple Cuboidal, C. Simple Columnar, D. Stratified squamous', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]