The parable of the Persistent Friend (Luke 11:5-8) uses the imagery of a midnight visit to emphasize what primary attribute of prayer?

A The need to pray only at specific times, such as midnight, for optimal results. B The importance of social connections and familial obligations in obtaining divine favor. C The value of unwavering perseverance and bold persistence in seeking God's intervention, even when met with initial resistance. D The suggestion that God is reluctant to answer prayers and must be worn down by repeated requests.