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 four–year old child presents with mild fever, malaise, purpura, arthritis, abdominal pain and microscopic hematuria. What would be the most likely diagnosis – 
Select and explain. 
A. Thrombob asthenia, B. Idiopathic thrombocytopenic, C. Systemic lupus erythematosus, D. Henoch–Schonlein purpura
D: Henoch–Schonlein purpura
Answer: D: Henoch–Schonlein purpura 
Explanation: None