It is Sam Border if you didn't know. To know what a main character is it is the character who is talked about throughout the whole book and/or is on the cover on the book. It is a strategy to know the main character(s) of the book. I hope this helps.
It is a metaphor because it is comparing one thing to another.
Answer:
D. Every doctor should carry a pager when on call.
A recent poll of 91 historians of US presidents gave a rating of the top 44 presidents who have alternately ruled the United States from George Washington to Barack Obama.
This is a ranking of the five best presidents of the United States of America, according to the opinion of the historians participating in the poll:
1st place: Abraham Lincoln (1865-1861)