Which quotation from the text best supports the meaning of the quote "Oh, yes, suh. I'm a puffessor." in "The Faith Cure Man"?

a
“a peculiar version of the Lord’s prayer” (Paragraph 27)
b
“‘Are you saved?’” (Paragraph 28)
c
“‘much depends upon you’” (Paragraph 28)
d
“and some one said ‘Amen!’” (Paragraph 38)