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': 'Malignant hydatid disease is caused by \nSelect and explain. \nA. E. granulosis, B. E. Multilocularis, C. H. Nana, D. D. Latum', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Malignant hydatid disease is caused by Echinococcus Multi locularis.', 'role': 'assistant'}]