There are an infinite number of them.
Pick any number, multiply the 4 and the 5 both by it, and write the new
numbers in place of them. The new fraction is equivalent to 4/5 .
Instead of reducing a fraction to lower terms, what you have just done is
expand the fraction to higher terms.
B because if you are specific enough it should narrow down your options
Please do not take my word on this because i am no 100% sure but i think it is B because he is using a metaphor to compare his life to crystal stairs.
I believe is for both the speakers and readers experience because most poems use the speaker’s experiences to make readers relate to the poem