Answer:
d) Trypanosoma.
Step-by-step explanation:
Trypanosoma is a unicellular eukaryote and is classified under kingdom Protista. Being eukaryote, it has double membrane-bound organelles in its cell such as mitochondria. Trypanosoma brucei rhodesiense and Trypanosoma brucei gambiense are the causative agents of a sleeping disorder called sleeping sickness.