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': 'The most diagnostic test for SLE is ? \nSelect and explain. \nA. Complement fixation test, B. Antibodies against ANA cell, C. Antibodies against DNA, D. Antibodies against nucleus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Antibodies against DNA", 'role': 'assistant'}]