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': 'Appendix of the testis develops from \nSelect and explain. \nA. Allantois, B. Paraneronephric duct, C. Meconephric duct, D. Cloaca', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]