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: Dental
At birth, which of the following structures is nearest to the size it will eventually attain in adulthood? 
Select and explain. 
A. Cranium, B. Mandible, C. Middle Face, D. Nasal capsule
A: Cranium
Answer: A: Cranium 
Explanation: Timing of Cranial Base Growth: