This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
Which of the following antihypertensive drug has a central sympatholytic action? 
Select and explain. 
A. levodopa, B. carbidopa, C. a methyl dopa, D. hydralazine
C: a methyl dopa
Answer: C: a methyl dopa 
Explanation: Ans. is 'c' i.e., a methyl dopa Sympatholytic antihypertensivesA) Centrally acting sympatholyticsi) Clonidineiv) Moxonidinii) Methyldopav) Guanabenziii) Rilmenidinevi) GuanfacineB) Peripharally acting sympathalytics1) Adrenoreceptor Antagonistsi) Beta blockersii) a-blockers2) Adrenergic neuron blocking agentsi) Reserpineii) Guanethidine