In the Parable of the Friend at Midnight (Luke 11:5-8), what aspect of God's character does Jesus primarily emphasize through the persistent friend's behavior?

A God's reluctance to answer prayers immediately, testing the faith of believers. B God's willingness to respond to persistent and shameless requests, highlighting the importance of bold and unwavering prayer. C God's favoritism towards those who are socially connected and influential. D God's indifference to human needs unless they are expressed in a perfectly righteous manner.