I think the answer is B: Art is appreciated by individuals when examined carefully, however i am not positive.
The answer would be either C.) or D.) assuming C is tonality. i hope this helps!
Answer:
The swing era was the last great flowering of jazz before its period of harmonic experimentation. At its best, swing achieved an art of improvisation in which current harmonic conventions counterbalanced the stylistic individuality of its great creators. The swing era also coincided with the greatest popularity of dance bands in general.
The color is called streak which is the color of the mineral in powder form. :)
