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: Radiology
Pleural effusion without evident lung infiltration is most often due to 
Select and explain. 
A. Viral pleurisy, B. Lymphoma, C. Carcinoma, D. Tuberculosis
D: Tuberculosis
Answer: D: Tuberculosis 
Explanation: Tuberculosis