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
Which of the following is the treatment of choice for patients with schizophrenia, who refuse to take treatment: 
Select and explain. 
A. Clozapine, B. Thioridazine, C. Olanzapine, D. Fluphenazine
D: Fluphenazine
Answer: D: Fluphenazine 
Explanation: None