This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Parasitology, Subject name: Microbiology
[{'content': "Senescent RBC's are mainly attacked in: \nSelect and explain. \nA. Vivax malaria, B. Ovale malaria, C. Falciparum malaria, D. Quartan malaria", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d)Age of the RBC invaded:P. vivax-youngP. falciparum-all ages (young and old)P. malariae (Quartan fever)-old or senescentP. ovale-young', 'role': 'assistant'}]