What answer below best fits with the musical style of impressionism?
a. Emphasis of atmosphere and mood, avoidance of pomp, and melodies that drift in and out smoothly.
b. Melodies do not flow smoothly (they are harsh and angular) and contain many unexpected accents.
c. All twelve notes of the chromatic scale are the basis for creating the melodies.
d. Frequent appearance of a singing technique where the notes are half-spoken and half-sung.