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: Unknown
The drug of choice for an acute exacerbation of ulcerative colitis is – 
Select and explain. 
A. Sulfasalazine, B. Methotrexate, C. Infliximab, D. Corticosteroids
D: Corticosteroids
Answer: D: Corticosteroids 
Explanation: Corticosteroids
DOC for acute exacerbation of IBD – Steroids
DOC for maintenance treatment of IBD – Sulfasalazine