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
Pastia's lines are seen in 
Select and explain. 
A. Measles, B. Varicella, C. Syphilis, D. Scarlet fever
D: Scarlet fever
Answer: D: Scarlet fever 
Explanation: Pastia's lines :

Rash gets concentration in axilla and grain.
It is seen in Scarlet fever.