Answer:
The correct answer is option b. "personality".
Step-by-step explanation:
A common expression used in literature is the "writer's voice", which refers of how an author express himself in the text leaving an unique signature. According to the literary agent, Rachel Gardner : "Your writer's voice is the expression of you on the page". Therefore, a voice of a written work is best defined by the personality of the author, reflected on how he or she writes and how he or she expresses the lived experiences.