The Jazz Age was a post-World War I movement in the 1920s from which jazz music and dance emerged. Although the era ended with the outset of the Great Depression in 1929, jazz has lived on in American popular culture.
The sentence whose style is most appropriate with respect to clarity and simplicity of language is the first one - For centuries, art admirers have been digging through records of the painting to figure out its meaning.
The other sentences use language that is quite complicated.
Answer:
An absolute phrase is a group of words that modifies an independent clause as a whole. An absolute is made up of a noun and its modifiers (which frequently, but not always, include a participle or participial phrase). An absolute may precede, follow, or interrupt the main clause
Hope this helps
-Amelia