Concept:Jesus used parables to reveal the truths of God’s kingdom to those who were ready to receive them.Explanation:Jesus told His disciples that the secrets of the kingdom of God had been given to them.To humble and receptive listeners, parables made these truths clear and understandable.To those who rejected His message, the parables remained hidden in meaning.Therefore, the purpose of parables was to make known the secrets of the kingdom, not to hide them permanently.Answer:A. make known the secrets of the kingdom