Beyond his role as a tax collector, what is the most significant contribution of Zacchaeus in Luke 19:1-10 to the understanding of repentance and salvation in the Gospels?

A Zacchaeus proved that salvation is available only to the rich who are willing to donate to the poor. B Zacchaeus demonstrated that genuine repentance involves not only acknowledging sin but also making restitution for past wrongs, signifying a transformed heart. C Zacchaeus showed that associating with Jesus inevitably leads to financial ruin and social ostracism. D Zacchaeus illustrated the importance of public displays of faith to impress others and gain acceptance in the community.