Which of these groups contains single-celled organisms? A. birds
В. plants
C. fungus
D. animals

C. fungus

Explanation:

Birds and animals are in the same category, and both have multiple cells.

Plants also have multiply cells.

And fungus can be single celled or multiple cells.

Hope this helps ya!!

answer; ///i believe its: ///(embolus);

i think the answer would d