What is the definition of tone?

**the answerthe attitude of a text toward the subject and theme
the choice of words an author uses to express an idea
what a word suggests beyond its literal meaning
a slight difference that can affect the meaning of something

Tone is the attitude of a text toward the subject and theme.

A) the attitude of a text toward the subject and theme.

Explanation: The tone of a text or sentence is the author's or speaker's attitude towards the audience, the subject or even the characters of the text. There are many different kinds of tones, like: positive, negative, objective, sad, angry, etc. From the given options, the one that represents the definition of tone, is the corresponding to option A: the attitude of a text toward the subject and theme.