Which Statement Reflects the Well-Known Program "Warm Lines

Which statement reflects the well-known program "warm lines"?

A) The program was developed as a reaction to impersonal telephonic nursing care.
B) The program was set up to assist vulnerable populations in the postpartum period.
C) This is the second option when 911 hot lines are busy for new parents.
D) These are telephone lines to provide new parents with encouragement and basic information.