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
Coicosteriod which need least systemic monitoring is: 
Select and explain. 
A. Prednisolone, B. Budesonide, C. Hydrocoisone, D. Dexamethasone
B: Budesonide
Answer: B: Budesonide 
Explanation: Budesonide