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: Pathology
[{'content': 'C3 compliment is cleared by \nSelect and explain. \nA. CD 59, B. CD 55, C. Factor D, D. Factor E', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. CD 55Decay accelerating factor (DAF; CD55) increases the dissolution of C3 convease.', 'role': 'assistant'}]