This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Complement system, Subject name: Pathology
[{'content': 'C3 complement is cleared by? \nSelect and explain. \nA. CD 59, B. CD 55, C. Factor D, D. Factor E', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 1.) CD59 - It is also given the name of MIRL (Membrane Inhibitor of Reactive Lysis). 2.) CD55 - It is given the name of DAF (Decay Accelerating Factor) . It is responsible for breakdown of C3.', 'role': 'assistant'}]