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
[{'content': 'The poor prognostic factor associated with ALL in children is – \nSelect and explain. \nA. Total leucocyte count 4000-100000, B. Age less than 2 years, C. Testicular involvement, D. Blast in peripheral smear', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Testicular involvement is a poor prognostic factor.', 'role': 'assistant'}]