Answer: i'm not sure about the artist and painting names (just reverse image search it by going to images.google.com) but yes, the artist has used space effectively, by filling the artwork with details and color to highlight the people in the middle.
Explanation:
Terry Riley was influenced by indian music
Music used in productions of the silent films era was primarily used to heighten drama and show mood within scenes, so I would go with A on this one.
