Which of the following is the correct notation for a minor scale with a key signature with one flat? A. A D-minor scale is shown on a treble clef. B. An F-major scale is shown on a treble clef. C. Two measures of notation on treble staff begin on B. The key signature contains one flat, and the E in the scale is marked flat. D. Two measures of notation on treble staff begin on E. The key signature contains one flat.