In the Parable of the Unjust Steward (Luke 16:1-13), what is the primary lesson Jesus intends to convey through the steward's dishonest actions?

A That dishonesty can sometimes lead to earthly rewards. B That believers should prioritize worldly wealth over spiritual matters. C That shrewdness and decisiveness, even when used unethically, are commendable. D That believers should use worldly resources wisely and generously to gain eternal rewards.