This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Child Psychiatry, Subject name: Psychiatry
Tics, hair pulling nail biting can be treated by: 
Select and explain. 
A. Mind fullness, B. Social habit treating, C. Habit reversal training, D. No intervention required
C: Habit reversal training
Answer: C: Habit reversal training 
Explanation: In habit reversal, patient learns to identify the urge that happens before ticks. And when he senses the urge, he follows it with a voluntary behavior (such as slow rhythmic breathing) instead of the tic.