This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: mycology, Subject name: Microbiology
[{'content': 'Which animal is used to test pathogenicity in Cryptococcus neoformans? \nSelect and explain. \nA. Mice, B. Guinea pig, C. Rabbit, D. Monkey', 'role': 'user'}, {'content': 'Answer: A \nExplanation: CD1-cryptococcus D strain-infected mice were examined for survival and fungal loads in either brain or lung during the course of infection. Ref: Baveja 5th ed pg: 565', 'role': 'assistant'}]