Were are the answer choices
I haven't read the book, or have no context, but am guessing foreshadowing. Foreshadowing is when you predict a future event.
'Horse of another color' is the opposite expression from Shakespeare's 'a horse of that color' in the Twelfth Night Act 2 Scene 3 where Maria told Sir Toby Belch that her purpose was indeed a horse of that color which meant that Sir Toby Belch got the same idea as hers. So, 'horse of another color' is an idea different from the other.
Answer:
Scale: C, D, E, F, G, A, B, C. Arpeggio: C, E, G.
Explanation:
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Lemme know if you want me to write it out using actual sheet music.