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
A 3 year old child comes with complaint of limp diagnosis is –a) Septic arthritisb) Slipped capital femoral epiphysisc) Perthe's deseased) DDH 
Select and explain. 
A. b, B. c, C. ac, D. ad
D: ad
Answer: D: ad 
Explanation: Causes of limping in children