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': 'Cerebral infarction is caused by -rpt \nSelect and explain. \nA. Toxoplasma, B. Cryptococcus, C. Aspergillus, D. Mucor', 'role': 'user'}, {'content': "Answer: A \nExplanation: Toxoplasma gondii is an obligate intracellular parasite. it's infection often involves the nervous system and may lead to diffuse encephalitis or meningoencephalitis. REF:Baveja textbook of microbiology 4th edition.", 'role': 'assistant'}]