To determine which of the listed skills is represented by the key of D minor, A minor, B-flat minor, or C minor, we need to understand the characteristics of each key.
- D minor: The key signature has one flat (B♭).
- A minor: The key signature has no flats or sharps.
- B-flat minor: The key signature has five flats (B♭, E♭, A♭, D♭, G♭).
- C minor: The key signature has three flats (B♭, E♭, and A♭).
If you have a specific piece of music or a visual representation you are referring to, I can help you analyze it further! Let me know if there's more context.