The answer is A. believe me, i have a masters in literature
a. is the most reasonable. if i'm wrong srry.
a mark or character used as a conventional representation of an object, function, or process, e.g., the letter or letters standing for a chemical element or a character in musical notation.
There are two theme's to "The Gift of the Magi" one being Love and the other being Sacrifice. "The Gift of the Magi" gives it's lesson by showing that even in rough times there is still some "Love" in everyone's hearts.
By having the setting at Christmas time it shows the comparison to the men's gifts to Jesus.
Here is something to work off of because i am guessing you did not read it and are hoping for someone to do it for you.
Actually read it if you want a good grade.
The answer is B. It doesn't open any new thoughts. It's not supposed to. It also cannot stand alone. And has to have an independent clause at the end.