The statement that best describes this sentence is that The sentence is complete.
It does have a predicate - <em>is a good artist.
</em>It does have a subject - <em>Trevor.
</em><em />It doesn't have a dependent clause, the whole sentence is independent.
Where´s the poem? so I can try to help
Use language that's easy-to-understand. If there's a piece of vocabulary that you feel needs clarifying, define it!
Nobody likes a short, one-word-answer. Let’s make sure other people understand everything.
Explain everything. Imagine that the person who was asking, knows nothing at all so you need to start from the very beginning.
Ms. Garcia was leading a tour of the gallery when the fire alarm sounded.
This is correct because it is the only sentence where the verbs match tenses.