Looks like they are listing videos for you to watch on the left hand column, and then wanting for you to describe the listed musical concepts for each example.
Manual copy and paste is a pain. Is there an online copy of this work sheet?
The answer is A, keeping part of a character in the same position while moving other parts.
Answer:
Because they want people to see it and get inspired or buy their artworks to hang up and they would do it for a job to earn money or do it because they love painting and drawing and they have a dream to become an artist.
Explanation: