A vertical line to left of multiple staves indicate to a musician to play music on all staves at the same time.
If it is asking for more than once. Then the ones that arent are " C " and " D "
If its asking for one you might have to pick c or d. Because A and B are both Cubist artists
Answer:
I had a few different reasons for picking this peice of art, the first being that it is by Pablo Picasso who was an AMAZING artist. this piece is also very colorful and generally fun to look at. Also, even though Pablo Picasso went slowly crazy, his art remained works of genius.
Explanation: