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: Anatomy
[{'content': 'The cells belonging to the following type of epithelium are provided with extra reserve of cell membrane: \nSelect and explain. \nA. Transitional, B. Stratified squammous, C. Stratified cuboidal, D. Stratified columnar', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Transitional', 'role': 'assistant'}]