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: Gynaecology & Obstetrics
[{'content': 'Internal organs in the fetus develop at : \nSelect and explain. \nA. 24 wks, B. 12 wks27, C. 10 wks, D. 6 wks', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 6 wks', 'role': 'assistant'}]