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: Anatomy
Structure passing through anterior part of jugular foramen 
Select and explain. 
A. Inferior petrosal sinus, B. Internal jugular vein, C. Accessory meningeal artery, D. X, XI nerve
A: Inferior petrosal sinus
Answer: A: Inferior petrosal sinus 
Explanation: None