Question

__________ are single-celled organisms.

A. Protozoan
B. Inchworms
C. Viruses
D. Fungi

Answer 1

Protozoan is considered a single-celled organism.

I'm not 100 percent sure but this is what i would chose. Hope it helps:)

Answer 2

A: Protozoans

or maybe it's inchworms, who knows? X'D