Beyond its function as a place of refuge, what deeper theological significance might be attributed to the 'cities of refuge' established in the Old Testament?

A They primarily served as a means of controlling population distribution and preventing overpopulation in certain areas. B They foreshadowed God's provision of a place of safety and forgiveness in Christ for those seeking refuge from the penalty of sin. C They were intended to demonstrate the limitations of the law, as even unintentional offenders could not escape punishment entirely. D They emphasized the importance of maintaining tribal purity by separating those who had shed blood from the rest of the community.