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
Internal organs in the fetus develop at : 
Select and explain. 
A. 24 wks, B. 12 wks27, C. 10 wks, D. 6 wks
D: 6 wks
Answer: D: 6 wks 
Explanation: 6 wks