Question 1: All of the above
Ken's point keeps reverberating in my head. For all those who may think that selling our titles as e-books is the light at the end of the tunnel, I have a tip to pass on. Don't be too surprised if the light is attached to a speeding train heading toward you—toward all of us.
Answer:
Yes there is
I think that a metaphor can be found in the last stanza. There, Kipling says
If you can fill the unforgiving minute
With sixty seconds' worth of distance run
He is using running as a metaphor for life. He is saying that you have to try your hardest all the time, even if it leaves you exhausted, which is what running does
A goes with 6
B goes with 3
C goes with 4
D goes with 2
E goes with 1
F goes with 5