In the Parable of the Dishonest Manager (Luke 16:1-13), what is the primary lesson Jesus intends to convey through the manager's shrewd actions?

A That worldly people are often more astute in their dealings than believers are in spiritual matters, and believers should be equally diligent in using their resources for eternal purposes. B That dishonesty can sometimes be justified if it serves a greater good. C That believers should strive to become wealthy and use their wealth to help others. D That employers should be more trusting of their employees, as even dishonest individuals can be valuable assets.