What is the best analysis of this passage?

I have tried often to search behind the sophistication of years for the enchantment I so easily found in those gifts. The essence escapes but its aura remains. To be allowed, no, invited, into the private lives of strangers, and to share their joys and fears, was a chance to exchange the Southern bitter wormwood for a cup of mead with Beowulf or a hot cup of tea and milk with Oliver Twist. When I said aloud, "It is a far, far better thing that I do, than I have ever done . . .” tears of love filled my eyes at my selflessness.

a
It informs the reader because it describes the importance of the Bible in Momma’s life.
b
It entertains the reader because it contrasts what Momma says with what she does.
c
It persuades the reader because it makes Momma’s argument against pride clear.
d
It teaches the reader because it shows one of the codes of conduct Momma lives by.