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: Dental
Examining a patient in dental office is equivalent to
community dental health if 
Select and explain. 
A. Surveying, B. Analysing of data, C. Programme planning, D. Evaluation
A: Surveying
Answer: A: Surveying 
Explanation: None