In the Parable of the Talents (Matthew 25:14-30), what theological principle is most directly challenged by the servant who buries his talent rather than investing it?

A The importance of risk-taking in financial endeavors. B The concept of grace and unmerited favor from God. C The stewardship of God-given gifts and the responsibility to use them for His glory. D The doctrine of predestination, suggesting that some are inherently incapable of success.