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
All of the following are village level workers under primary health care EXCEPT 
Select and explain. 
A. Village health guide, B. Anganwadi worker, C. Clerks, D. Trained birth attendants
C: Clerks
Answer: C: Clerks 
Explanation: None