It could tell them data of how many days the student was absent or how many days the student was present.
I would say D, since A and B would be highly irrelevant. C sounds like a possible answer, but could still be viewed as irrelevant since it doesn't actually contain info about MP3 players.
By adding periods and taking out a bunch if the ands.
Answer:
D.) dialogue that reveals background information
Explanation:
I got a 100 on ed :)
they are singing about freedom from racism, from all of the hate and they in my opinion are singing for justice for those girls