Answer:
The rhetorical device used in this sentence is D. Antithesis.
Step-by-step explanation:
Antithesis is a rhetorical device that places two contrasting ideas or concepts together in a balanced phrase or sentence to create a contrast or opposition. In this sentence, the contrast is between Arianna's skills in painting and drawing versus her real talent in creative writing. The sentence is structured in a way that highlights the contrast between the two skills, making the point that while Arianna is good at painting and drawing, her true talent lies in creative writing. The contrast between the two skills is emphasized by the use of the word "but" in the middle of the sentence, which signals a shift in focus from one idea to the other.