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
In a newborn child we generally see: 
Select and explain. 
A. Maxillary protrusion, B. Maxillary retrusion, C. Mandibular protrusion, D. Mandibular retrusion
D: Mandibular retrusion
Answer: D: Mandibular retrusion 
Explanation: None