A Young Man from Rural Brazil Is Visiting Family in the United

A young man from rural Brazil is visiting family in the United States when he becomes ill with muscle pains, high fever, and hepatosplenomegaly.A blood sample taken in the emergency room reveals the following organism.The most likely identification of this organism is:

A) Leishmania donovani.
B) Babesia microti.
C) Plasmodium falciparum.
D) Trypanosoma cruzi.