The answer is B because it gives hints in the excerpt
0.00658 has 3 significant figures (sig figs), and 5 decimals.
He describes his death both from the past and the future as a waste that balances his life. He expresses his thoughts of the world war one into a poem which balances its essence. He regards every factor in his life and rejects any false possibility.
The answer you're looking for is the last answer