It is because flash mobs is a group of people dancing to music and music is art.
A movement<span> is a self-contained part of a </span>musical composition<span> or </span>musical form<span>. the composition in music is like borrowing a beat from another song and adding it into your own beat or rythem.</span>
D. A fictional person
Memoir- personal narrative, about a real story that happened therefore there are no fictional (fake, made up) characters.