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
According to RAMJFORD, occlusal interferences with nervous tension triggers which of the following habit: 
Select and explain. 
A. Bruxism, B. Thumb sucking, C. Tongue thrusting, D. All of the above
A: Bruxism
Answer: A: Bruxism 
Explanation: None