Explanation:
John Lewis became devoted to pursuing his personal educational objectives and prosperity for his country. He coincided to Dr. Martin Luther King, Jr., who vowed to pursue the civil rights movement after being motivated by his instance in the Bus boycott.
I think you could pick both B and D in this situation. You didn't include the passage so I have nothing to go on here except my little knowledge of the story from when I read it.
An article is an official, and credible way to get infromation.