The Parable of the Persistent Widow (Luke 18:1-8) uses the widow's persistence as an analogy. What is the primary lesson Jesus intends to teach through this parable?

A God will always grant our requests immediately if we ask repeatedly. B We should always pray and not give up, trusting that God will bring about justice in His timing. C We should be annoying to those in authority until they give us what we want. D Only the poor and marginalized can expect to receive justice from God.