Which of the following interpretations of the 'Markan Secret' best reflects the redactional criticism approach to the Gospel of Mark?

A Jesus explicitly commanded his disciples and those he healed to remain silent about his identity to avoid political unrest. B The 'Markan Secret' is a literary device employed by the author to create suspense and highlight the gradual revelation of Jesus' identity. C The 'Markan Secret' reflects the historical reality that Jesus' messianic identity was not fully understood until after the resurrection. D The 'Markan Secret' is a later addition to the Gospel of Mark, intended to reconcile Jesus' humble appearance with his divine power.