This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
Osteomeatal complex(OMC) connects: 
Select and explain. 
A. Nasal cavity with maxillary sinus, B. Nasal cavity with sphenoid sinus, C. The two nasal cavities, D. Ethmoidal sinus with ethmoidal bulla
A: Nasal cavity with maxillary sinus
Answer: A: Nasal cavity with maxillary sinus 
Explanation: Osteomeatal complex lies in the middle meatus. It is final common drainage pathway for the maxillary,frontal,and anterior ethmoid sinuses into the nasal cavity. Ref.Scott Brown 7/e,Vol 2 p 1345