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 these antihypertensives DO NOT have any central action ? 
Select and explain. 
A. Propranolol, B. Methyldopa, C. Clonidine, D. Prazosin
D: Prazosin
Answer: D: Prazosin 
Explanation: None