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: Social & Preventive Medicine
The most appropriate test to assess the prevalence of tuberculosis infection in a community is: 
Select and explain. 
A. Mass miniature radiography, B. Sputum examination, C. Tuberculin test, D. Clinical examination
C: Tuberculin test
Answer: C: Tuberculin test 
Explanation: Tuberculin test