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: Medicine
The most likely cause of bihilar lymphadenopathy is - 
Select and explain. 
A. Histoplasmosis, B. Tuberculosis, C. Sarcoidosis, D. Aspergillosis
C: Sarcoidosis
Answer: C: Sarcoidosis 
Explanation: None