In Charles Chesnutt’s “The Goophered Grape Vine,” why does Uncle Julius tell the Northern visitors the story of the spell put on the grapes ?

(A) To describe the horrors of life on the Post-bellum plantation. (X)
(B) To explain his religious views. (X)
(C) To amuse the narrator’s sickly wife. (X)
(D) So they won’t interrupt his income from the neglected grape harvest.  ()

Answers: So they won’t interrupt his income from the neglected grape harvest.