Read the following paragraph from the section "Seeking To Be On The Right Side Of History." He recalled the "good trouble" he got into protesting segregation as a young man. "If we fail to do it, history will not be kind to us," he shouted. "I will go to the border. I'll get arrested again. If necessary, I'm prepared to go to jail."

Which of the following can be inferred from this paragraph?
a. Lewis believed in doing the right thing, even if it brought trouble.
b. Lewis felt civil rights were being challenged at the southern border.
c. Lewis advised protesters to get arrested to create trouble for police.
d. Lewis showed that civil rights issues were resolved with nonviolence.