At home I planted a thick blue gum pole deep in the ground near the mango tree out front, then made my own hammock out of knotted maize sacks. For the next three weeks, I began a rigorous course in independent study, visiting the library in the mornings, and spending the afternoons reading in the shade.
Gilbert offered to help right away. Each day I met him after school and he told me what they'd done in school.
—The Boy Who Harnessed the Wind,
William Kamkwamba
Which detail implies that Kamkwamba has the traits of a hero?
A: I began a rigorous course in an independent study.
B: I planted a thick blue gum pole deep in the ground.
C: I made my own hammock out of knotted maize sacks.
D: I met him after school and he told me what they’d done in school.