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: Microbiology
[{'content': 'All are true regarding cryptococcal infection,except - \nSelect and explain. \nA. Occurs in immunodeficient states -, B. Capsular antigen in CSF is a rapid method of detection, C. Anticapsular antibody is protective, D. Urease +ve', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]