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
Fear of Strangers and Fear of Separation from parents for
the children will be diminished by 
Select and explain. 
A. First Birthday, B. Fifth Birthday, C. Third Birthday, D. Seventh Birthday
C: Third Birthday
Answer: C: Third Birthday 
Explanation: None