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: Surgery
During the removal of a torus palatinus it was notice that a portion of palatal of bone is fractured. One would expect: 
Select and explain. 
A. An opening into the nasal cavity, B. An opening into the maxillary antrum, C. Vertical fracture of maxilla, D. Horizontal fracture of maxilla
A: An opening into the nasal cavity
Answer: A: An opening into the nasal cavity 
Explanation: None