Respuesta :
We can actually deduce here that tone refers to: An author's or speaker's attitude toward a subject.
What is tone?
Tone refers to the way or attitude of a speaker or an author towards a subject matter he/she is speaking or writing about. Tone usually affects the emotion of the readers or audience. Tone can be a happy tone, angry, serious tone, etc.
We see here that option A is the correct answer as it reveals that tone refers to an author's or speaker's attitude toward a subject.
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Answer: an author’s or speaker’s attitude toward a subject
Explanation: Correct on EDGE