Answer:
It is Eris, a dwarf planet to but a bit bigger than Pluto, so the answer is D
Explanation:
Malaria is a Parasitic disease with four kinds of pathogen:
Plasmodium Vivax
Plasmodium Ovale
Plasmodium Malariae
Plasmodium Falciparum [ Most dangerous ]
The Vector of Malaria is "Female Anopheles"
Hope this helps!