Which is the best definition of protagonist?
A.
The character in a work of fiction who tries to stop the main character from achieving his or her specific purpose
B.
The character in a work of fiction who tries to achieve a particular purpose and who is usually the main character
C.
A literary device that authors use in order to force action in a story rather than letting events unfold naturally
D.
A character whose personality and attitude clash with the personality and attitude of the main character