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 with anaphylactic shock, after receiving penicillin injection comes to you, Which of the following life-saving treatment you would take into consideration 
Select and explain. 
A. Intravenous hydrocortisone hemisuccinate, B. Intravenous adrenaline hydrochloride, C. Intramuscular adrenaline hydrochloride, D. Intravenous glucose saline
C: Intramuscular adrenaline hydrochloride
Answer: C: Intramuscular adrenaline hydrochloride 
Explanation: None