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: Psychiatry
All of the following are complex motor tics except 
Select and explain. 
A. Echopraxia, B. Palilalia, C. Jumping, D. Touching
B: Palilalia
Answer: B: Palilalia 
Explanation: Palilalia is a form of complex vocal tic, a person's repeating his or her wordsAll other options are complex motor tics