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 15 year old boy was stung by a bee. He had difficulty in breathing and facial edema. What is the best treatment ? 
Select and explain. 
A. IV Adrenaline, B. SC Adrenaline, C. IV Antihistamine, D. IV Hydrocortisone
B: SC Adrenaline
Answer: B: SC Adrenaline 
Explanation: None