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
What is the basis of behavior shaping: 
Select and explain. 
A. Stimulus response theory, B. Social learning principle., C. Hierarchy of needs, D. None of the above.
A: Stimulus response theory
Answer: A: Stimulus response theory 
Explanation: None