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
Interpeduncular fossa contains 
Select and explain. 
A. Mammillary bodies, pineal gland, oculomotor nerve, infundibulum, B. Oculomotor nerve, mammillary bodies, infundibulum, posterior perforating substance, C. Tuber cinerium, mammillary bodies, oculomotor nerve, anterior perforating substance, D. Oculomotor nerve, mammillary bodies, optic chiasma, anterior perforating substance
B: Oculomotor nerve, mammillary bodies, infundibulum, posterior perforating substance
Answer: B: Oculomotor nerve, mammillary bodies, infundibulum, posterior perforating substance 
Explanation: Contents of interpeduncular fossa are  

 Infundibulum
 Mammillary bodies
 Oculomotor nerve
 Posterior perforating substance.