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
What differences can be seen in skulls of male and female before puberty? 
Select and explain. 
A. Difference in weight, B. Difference in size, C. Difference in capacity, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: There are no sex differences until puberty. The differences can be seen post puberty.