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
Sarcoidosis - 
Select and explain. 
A. Is associated with HLA B1, B. Is commoner in elderly people, C. Causes caseating granuloma, D. Produces bilateral hilar lymphadenopathies in the absence of pulmonary symptoms
D: Produces bilateral hilar lymphadenopathies in the absence of pulmonary symptoms
Answer: D: Produces bilateral hilar lymphadenopathies in the absence of pulmonary symptoms 
Explanation: None