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: Pharmacology
A patient on anti-psychotic drugs develops temperature of 104°C, BP about 150/100 and abnormal behavior.What is the likely diagnosis? 
Select and explain. 
A. Aggravation of psychosis, B. Parkinsonism, C. Dystonia, D. Neuroleptic malignant syndrome
D: Neuroleptic malignant syndrome
Answer: D: Neuroleptic malignant syndrome 
Explanation: None