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
Echolalia is a recognised feature of : 
Select and explain. 
A. Catatonic schizophrenia, B. Anorexia nervosa, C. Alzheimer's disease, D. All
A: Catatonic schizophrenia
Answer: A: Catatonic schizophrenia 
Explanation: A. i.e. Catatonic schizophrenia