Answer: If Ariel were portrayed as a beast, the feel of production would be much more menacing
Explanation: If this is for Apex Learning your answer is up above
A. is the fragment. It has a gerund phrase but no actual verb that makes it a sentence. The other sentences do, however: was, is, and took.
Answer:
What's the work? A little vague
B. Restating your thesis (it's best to paraphrase it)