Answer
c.
Work Step by Step
Options a. and b. are incorrect. Protists are all eukaryotes.
Option d. is incorrect; therefore, option c. is correct. Protists are eukaryotes and are mostly unicellular, although a few may be multicellular.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.