According to Mark, the preaching of John the Baptist centred on
Answer Details
According to Mark, the preaching of John the Baptist centered on "repentance for the forgiveness of sins." (Mark 1:4) John the Baptist was a prophet who prepared the way for Jesus Christ by calling on people to repent of their sins and be baptized as a sign of their repentance. He spoke about the coming of Jesus and pointed people to Him as the Lamb of God who takes away the sin of the world. Therefore, his message was one of repentance and the forgiveness of sins through faith in Jesus Christ.