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
Drugs causing hyperglycemia: 
Select and explain. 
A. β-blocker, B. Glucocorticoids, C. Acetylcholine, D. α-blockers
B: Glucocorticoids
Answer: B: Glucocorticoids 
Explanation: None