The correct answer is D, Taenia solium.  Localization of cysticerci in the brain (cysticercosis) can result in the listed symptoms, as well as seizures.  Schistosoma haematobium eggs may reach the CNS, resulting in transversal myelitis.  Hydatid cysts, caused by Echinococcus multilocularis infection, can also be seen in the CNS with low frequency causing focal epilepsy.  Leishmania mexicana is an agent of diffuse cutaneous leishmaniasis, which is an anergic variant of cutaneous leishmaniasis.

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