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: Pediatrics
In a patient of rheumatic carditis full dose of steroid is given for - 
Select and explain. 
A. 3 weeks, B. 6 weeks, C. 9 weeks, D. 12 weeks
D: 12 weeks
Answer: D: 12 weeks 
Explanation: Ans. is 'd' i.e., 12 weeks