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
3rd cranial nerve passes through: 
Select and explain. 
A. Lateral part of superior orbital fissure., B. Middle part of superior orbital fissure., C. Medial part of superior orbital fissure., D. Central part of superior orbital fissure.
B: Middle part of superior orbital fissure.
Answer: B: Middle part of superior orbital fissure. 
Explanation: None