What is the importance of global human health of the protist Plasmodium? (Choose one.)
A. It causes the disease malaria, which kills over 400,000 people per year.
B. It contaminates water and produces toxins that make water undrinkable.
C. It is a leading cause of antibiotic resistance around the globe.
D. It is easily transmitted to humans by pet cats, causing fever, aches, and neurological symptoms.