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
The audit maxillary sinus measures about 
Select and explain. 
A. 33mm in height, 23mm in width, B. 33mm in width, 23mm in height, C. 30mm in height, 8 mm in width, D. 8mm in height, 30mm in width
A: 33mm in height, 23mm in width
Answer: A: 33mm in height, 23mm in width 
Explanation: None