1. Answer: Ternary form is best represented by letter c. Ternary form has three sections, but the third is the return of the A section, not a new idea.
2. Answer: The most common chord to be visited by a B section is Dominant. d is the correct answer!
3. Answer: The example, “Ecossaise” by Hummel, is in ternary form. If you thought it was AABBAA, you are correct! In this piece, each phrase repeats- but notice how the two A sections are repeated to end the piece.