Concept:Saul’s conversion was part of God’s plan to make him a missionary to the Gentiles.Explanation:After Saul met Jesus on the road to Damascus, God told Ananias that Saul was a chosen instrument.He would carry God’s name “before the Gentiles, kings, and the children of Israel” (Acts 9:15).Thus, the main purpose of Saul’s conversion was to spread the gospel to the Gentiles.Answer:D. spread the word to the Gentiles