Which is the best definition of the word tone
-the reason an author writes a text.
-words that describe character's emotions
-vivid language that describes sensory experience
- the narrator's attitude toward the subject matter and audience

The correct answer is D) The narrator's attitude toward the subject matter and audience.

The best definition of the word tone is "The narrator's attitude toward the subject matter and audience."

When writing a story, the author shows its attitude toward the topic at hand, the way he/she writes about a character, a place or an event. The author has a particular way to approach this element in the story and the tone can be appreciated by the reader. Some examples of tone in writing could be sarcasm, seriousness, mystery, among others.