Answer:
Option D.The author's attitude toward a subject.
Explanation:

Answer:
Malala Yousafzai is a young girl who is an education advocate, which means she wants/ is fighting for everyone to have the right to be educated
Explanation:
The definition of "tone" in literature is the way the author expresses his attitude through his writing. The tone can change very quickly or may remain the same throughout the story. Tone is expressed by your use of syntax, your point of view, your diction, and the level of formality in your writing.