How do the details about Johnson's early life in paragraphs 2-3 help us understand her later success?
A.
Her struggles in school show how much she developed during her early life before working for NASA.
B.
By describing her love of counting, the text shows that Johnson was always passionate about math.
C.
Johnson's enrollment in college at just 15 years old emphasizes how different she was from her peers.
D.
Johnson's early academic success made her later accomplishments seem less impressive in comparison.