Because it doesn’t make a story it is a statement
Your answer would be B. the author's name is properly capitalized, the punctuation is correct, and when titling a short story- the title should be in quotation marks as shown in example B- "The Gift of the Magi"
One of the doctor's promises is that if Miss Manette tells the doctor that she feels the same as Charles, the doctor will tell her that he felt this same.
I hope this helps!