The protagonist is the main person in the literary work, that is usually followed during the work and who often has to face a conflict or a difficulty.
In "The Little Match Girl" it's the girl herself: <span>b. The little match girl</span>
I would say suit doesn't belong.
All of the other words could be classified as verbs, and suit simply as a noun in almost any case.
"The" is the particular article
Articles are like adjectives, they modify nouns
"The" is particular, because it specifies the noun you are talking about. If I say "Let's read the book" I am referring to a specific one
Charlie is afraid because he knows that the same thing will happen to him.
What is there to choose from?