The Parable of the Talents (Matthew 25:14-30) emphasizes accountability. Beyond mere diligence, what deeper principle does the parable suggest about the use of God-given gifts?

A Gifts should be used conservatively to avoid risk. B Gifts should be used to increase God's material wealth. C Gifts should be used creatively and productively to further God's kingdom and reflect His character. D Gifts are primarily for personal enjoyment and fulfillment.