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
The following is/are concerned with interception of habit: 
Select and explain. 
A. Massler’s hypothesis, B. Dunlop beta hypothesis, C. Butler’s theory, D. All of the above
B: Dunlop beta hypothesis
Answer: B: Dunlop beta hypothesis 
Explanation: None