I am not completely sure, but I would say that being the last of a long line of speakers refers to temporal context. Since you are last, it means that a long time will pass since it is your turn.
Answer:
Yes, he has seen the errors of his ways.
I think it’s C because no reasoning is given to back up the claim
"don't hesitate or allow yourself to make excuses, just get out and do it. just get out and do it! you will be very, very glad that you did"