This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
[{'content': 'Nasopharyngeal leishmaniasis is caused due to? \nSelect and explain. \nA. Leishmania brazilensis, B. Leishmania tropica, C. Leishmania chagasis, D. Leishmania donovanii', 'role': 'user'}, {'content': 'Answer: A \nExplanation: mucocutaneous leshmaniasis or espundia caused by L.braziliensis complex cause extensive ulceration in lower extremities after months to years nasopharynx is affected causes painful mutilating erosions TEXTBOOK OF MEDICAL PARASITOLOGY,BAVEJA,3RD EDITION,PAGE NO 44', 'role': 'assistant'}]