Answer: He argued that observation and experimentation are the most important tools for understanding the natural world. ... It caused people to take a new, logical approach to scientific discovery based on experimentation and observation.
The answer to your question is A: A life that goes by too fast
The answer is A because it is summarizing and telling what the pargraph is going to be about
I think its:
But what else could we do? We could not give her those glib assurances that naive souls make so easily to others concerning their after state.
The ways in which the characters respond to a specific situations frequently reveal the authors' meaning.