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': 'Vaginal epithelium  develops from \nSelect and explain. \nA. Meroderm of urogenital sinus, B. Meroderm of genital ridge, C. Endoderm of urogenital ridge, D. Endoderm of genital ridge', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vagina develops from merodum of parameronephric duct endodum of urogenital ridge.', 'role': 'assistant'}]