Answer
C.
Work Step by Step
D. is wrong since viruses generally use host proteins, and A. and B. can be excluded based on the fact that animal and bacterial viruses include a range of DNA and RNA viruses.
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.