It was like the world did n't care that I was doing my best to think about all the implications of death and how weird it was that this guy 's mother , like the body he came from , was decomposing beneath us . That ant still needed to find food and that bird still needed to build its nest and Ben and I still needed to breathe . After either a minute or an hour , Ben stood up .

Question: Why is the narrator contemplating the implications of death ?
Answer: None of the above choices .Ben 's mother had recently died .He needed to catch his breath and breathe .He needed to find food .