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 50-year-old man with advanced tuberculosis has developed signs of severe acute adrenal insufficiency. The patient should be treated immediately with a combination of: 
Select and explain. 
A. Aldosterone and fludrocortisone, B. Triamcinolone and dexamethasone, C. Cortisol and fludrocortisone, D. Dexamethasone and metyrapone
C: Cortisol and fludrocortisone
Answer: C: Cortisol and fludrocortisone 
Explanation: None