In the Gospel of Luke, what is the primary significance of the parable of the Good Samaritan beyond simply helping someone in need?

A It primarily illustrates the importance of performing charitable acts to gain salvation. B It redefines the concept of 'neighbor' to include anyone in need, regardless of social or ethnic background, challenging the legalistic interpretations of the law. C It emphasizes the need for priests and Levites to be more compassionate in their duties. D It demonstrates that only Samaritans are capable of genuine compassion.