Answer: C.
because I translated it to what the answer is
Answer:
There are three main classes of parasites that can cause disease in humans: protozoa, helminths, and ectoparasites. Protozoa are microscopic, one-celled organisms that can be free-living or parasitic in nature.
Explanation:
Yes. No cancer and heart disease would save millions of lives.
Answer: A,B and C
Explanation