In the Gospel of Luke, what is the primary significance of Jesus eating with tax collectors and sinners, a practice often criticized by the Pharisees?

A It demonstrated Jesus's approval of their professions and lifestyles. B It was a strategic move to gain political influence among the marginalized. C It symbolized Jesus's mission to call the spiritually sick to repentance and offer them forgiveness. D It was simply a matter of Jesus being hospitable and accepting invitations for meals.