This isn't Arts it's writing, but the answer is: It is an incomplete sentence because there is no subject to go with the predicate.
Answer:
D.
Explanation:
The reason for playing softly is NOT a musical motive
Composition is the nature of something's ingredients or constituents; the way in which a whole or mixture is made up.
The Hue tool controls the actual color of an object.
The Saturation tool controls the strength of the color.
