I think it is D - supporting detail, just a guess tho
Answer:
A sound argument is sensible and valid
Explanation:
Sound can mean strong so a strong argument would be sensible and valid
Did we mention he’s 13 years old?
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The correct option is C.
The novel, 'The Note of a a Native Son was a non fictional work, this is because the author actually wrote about an event that is real, an event that really happened. A fictional work refers to a story that is a result of the author's imagination, that is, the story did not occur in real life, the author only imagines it. Then novel, 'The Notes of a Native Son is a story that convey real information although it made use of elements of story telling.
Hopefulness is the answer