Rectangle to box. A circle is the end of a cylinder while a rectangle is the end of a box. It helps describe the shape.
First off we have the same name.
But I will answer your question if you answer mine. Do you mean to write a letter for teens to read (hypothetically)? As in " Dear teens, You need to take a look in the mirror and note all of the good things about yourself......"?
It would be C because a conjunction can stand alone
