This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epithelial tissue, Subject name: Anatomy
[{'content': '35 year old female diagnosed to have hyper thyroid disorder. Her thyroid follicle lined by \nSelect and explain. \nA. Simple columnar, B. Simple squamous, C. Simple cuboidal, D. Ciliated columnar', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Normal thyroid follicle - simple cuboidal Hyper thyroid follicle - simple columnar Hypo thyroid follicle - simple cuboidal', 'role': 'assistant'}]