I would say A. Advertisers tend to target their ads at a certain age group, and using different types of music can have a different appeal to a certain age group. If they want certain people paying attention to their ads, they'll most likely use a song from their generation.
It would be considered a documentation because these are drawing from many years ago.
-Hiadamcom
Answer:
I know it isn't C or D, but A makes more sense than B. I do not have this specific assignment, so I do not know for certain, but this seems the most logical answer. I wish you the best of luck.
Explanation: