In this excerpt from "The Road Not Taken" by Robert Frost, which pair of lines casts doubt on the certainty the speaker felt when choosing one
path over the other?

However, the idea of real-life people living in what would become the united states for thousands of years before columbus ever left spain never dawned on me. what would be the best way to revise this sentence for greater clarity? a) however, the fact that columbus left spain thousands of years after people settled what would become the united states never dawned on me. b) it never dawned on me, however, the idea of real-life people living in what would become the united states for thousands of years before columbus ever left spain. c) however, the fact that people were already living in what would become the united states for thousands of years before columbus ever left spain never dawned on me. d) however, the idea never dawned on me that long before columbus ever left spain, real-life people lived for thousands of years in what would become the united states.

Nthe final analysis, the government has not done enough to protect the endangered species of the rain forest. in the passage above, the transition in the final analysis is used to

If you begin to question the validity of the catholic church's teachings, then you could be considered a