The correct option is A. Voice is a writer’s distinctive way of “speaking” on the page.
The term "voice" in fiction writing has two different meanings:
Voicerefers to the author's style, the quality that makes his writing unique, and which express the author's character, attitude or personality.
Voice is also considered the characteristic speech and thought patterns of the narrator of a work of fiction. it constitutes one of the most important elements of a piece of writing.
I'm not exactly sure, but I think this statement is true, although the antagonist can sometimes be a rival to the protagonist without knowing. It really depends.
