Answer:
C. I knew I should be practicing chromatic scales and arpeggios to enhance my fingering skills, but I preferred to spend my time on Rhapsody in Blue—extra fortissimo!
Step-by-step explanation:
By reading the sentence, we can tell that the author is describing certain volumes of the piano's range. This would be something that grabs the attention of a musician. The sentence is not simple and boring, but appropriate in the presence of a professional.