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
In which of the following disease is corticosteroids  indicated ? 
Select and explain. 
A. Osteoporosis, B. Peptic ulcer, C. Collagen vascular diseases, D. Tuberculosis
C: Collagen vascular diseases
Answer: C: Collagen vascular diseases 
Explanation: None