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 is 
Select and explain. 
A. A primary emotion acquires soon after birth, B. A primary emotion acquired in utero, C. A primary emotion acquires several years after birth, D. Not a primary emotion
A: A primary emotion acquires soon after birth
Answer: A: A primary emotion acquires soon after birth 
Explanation: None