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
PPS anatomically is: 
Select and explain. 
A. Pterygomaxillary notches & fovea palatine, B. Pterygomaxillary notches & PN5, C. Maxillary tuberosity & pterygornaxillary raphae, D. Posterior Limit of palatine bone
A: Pterygomaxillary notches & fovea palatine
Answer: A: Pterygomaxillary notches & fovea palatine 
Explanation: None