The Scarlet Ibis, the older brother loves his younger brother. He teaches him to walk, to play, etc. Then, one day the older a younger brother walk to a tree and the older brother gets angry and runs away. The younger brother is ill and can't run. When the younger brother attempts to run after his older brother, he runs out of air and dies. The older brother feels horrible and the younger brother dying reminded the older brother of the scarlet ibis that had died earlier in the story. Both were helpless.
I would pick D as the answer
The main purpose of the detail is to show that recycling is important. Statistic shown by B can help show that recycling is not deemed important but should be.