Step-by-step explanation:
The phrase that BEST defines voice in literature is "a combination of word choice and tone."
Voice in literature refers to the individual style of a writer, which includes their use of language, choice of words, and tone. It is the way the writer conveys their personality and attitude towards the subject matter through their writing. It can also include elements such as syntax, rhythm, and pacing. Overall, a writer's voice is what makes their writing unique and recognizable to their readers. Therefore, the phrase that best defines voice in literature is "a combination of word choice and tone."