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': "Meckel's diverticulum is a remnant of \nSelect and explain. \nA. Stenson's duct, B. Wolffian duct, C. Mullerian duct, D. Vitellointestinal duct", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]