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
Rajat jain was presented to casuality in an unconscious state. His blood pressure was found to be 220/110 mm Hg. Most suitable drug for this patient to rapidly decrease the blood pressure is: 
Select and explain. 
A. Sublingual nifedipine, B. Intramuscular injection of hydralazine, C. Intravenous infusion of sodium nitroprusside, D. Intravenous injection of clonidine
C: Intravenous infusion of sodium nitroprusside
Answer: C: Intravenous infusion of sodium nitroprusside 
Explanation: None