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
In which type of Schizophrenia is grimacing a feature of: 
Select and explain. 
A. Juvenile, B. Hebephrenic, C. paranoid, D. Catatonic
D: Catatonic
Answer: D: Catatonic 
Explanation: D. i.e. Catatonic