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: ENT
About skull of newborn, true are all except- 
Select and explain. 
A. Paranasal sinuses are absent, B. Absent diploic spaces, C. Middle ear ossicles are of same size as in adults, D. Mastoid process is not completely formed
A: Paranasal sinuses are absent
Answer: A: Paranasal sinuses are absent 
Explanation: None