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
Waxy fkexibility is characteristic of: 
Select and explain. 
A. Excitatory catatonia, B. Stuporous cataonia, C. OCD, D. All
B: Stuporous cataonia
Answer: B: Stuporous cataonia 
Explanation: B. i.e. Stuporous catatonia