The answer is character vs character.
Lieutenant is not a part of the main clause, and it is an address to a person that is inserted into the sentence. It must be therefore separated by comas on both sides: the correct answer is a.
She made eye contact, and had a passionate tone of voice
Answer:
Take your favorite movie, change the names of the characters and the titel, make a similiar story with a different ending or different place
She is saying that in reading the story if the reader begins to have feeling for the character then they will invest much more to understanding the meaning of the story