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, prupura, arithritis, abdominal pain and microscopic hematuria. What would be the most likely diagnosis - 
Select and explain. 
A. Thrombobasthenia, B. Idiopathic thrombocytopenic, C. Systemic lupus erythematosus, D. Henoch-Schonlein purpura
D: Henoch-Schonlein purpura
Answer: D: Henoch-Schonlein purpura 
Explanation: Ans. is 'd' i.e., Henoch-schonlein purpura