Final answer:
The Transfiguration event described in the Gospels, where Jesus shines with divine light in the presence of his disciples, Moses, and Elijah on Mount Tabor, demonstrates Jesus as a mediator between God and humanity, affirming his messianic role. The correct option is a.
Step-by-step explanation:
The event from the Gospels that demonstrates Jesus as a mediator is the Transfiguration. This event, described in Matthew 17:1-13, Mark 9:2-8, and Luke 9:28-36, is a significant moment when Jesus is transformed in the presence of three of his disciples, exuding a bright, heavenly light.
During the Transfiguration on Mount Tabor, Jesus appears with Moses and Elijah, representing the law and the prophets from the Hebrew Bible. This moment is significant as it bridges the old and the new, with Jesus acting as a mediator between God and humanity.
Through the Transfiguration, Christians believe that Jesus reaffirms his role as the Messiah and his teachings as the path to salvation.
It is also a moment that marks the divine approval of Jesus' mission and the connection between the Old Testament prophecies and their fulfillment in the New Testament, with Jesus as the central figure in God's plan for mankind's salvation.
This event is commemorated on August 6 and depicted in Christian art, such as the mosaic icon at the Louvre and early examples at the Monastery of Saint Catherine at Mount Sinai and in Sant'Apollinare in Classe. The correct option is a.