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: Medicine
[{'content': 'Not major criteria for diagnosis of neurocyst- icercossi ? \nSelect and explain. \nA. Detection of cysticerci antigen by ELISA, B. Detection of cysticerci antigen by immunoblot, C. Cystic lesion in brain parenchyma by MRI, D. Calcified lesion in brain parenchyma by CT', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Diagnostic criteria for human evsticercosis', 'role': 'assistant'}]