The correct option is D Trypanosoma , Plasmodium, Entamoeba
There are many diseases caused by protozoan parasites. Malaria is a disease caused by the protozoan Plasmodium. Sleeping sickness is a disease caused by the parasite Trypanosoma brucei. The disease is endemic to Africa and the parasite is spread by the infected tsetse flies, a species native to Africa. The disease affects the central nervous system and impairs the body's wake-sleep cycle. Another protozoan infection is the amoebic dysentery. It is caused caused by the protozoan Entamoeba histolytica. It is spread by houseflies, and contaminated food and water.