What impact or effect do the middle two stanzas have upon the reader?
A) They underline the central mystery of the poem.
B)They help build up the tension towards an ominous conclusion:
C)They serve as comic relief in the middle of an otherwise serious poem.
They lull the reader into complacency before providing a shocking twist
ending.

B : They help build up the tension towards an onmious conclusion.

Explanation: I just took the test

the symbol of the grandfather's heritage in this excerpt from "the medicine bag,” is the beaded bolo tie.

a bolo tie is a cord fastened around the neck with an ornamental clasp which is worn as a necktie. they have been used by native american tribes such as hopi, navajo, zuni, and puebloans since the mid-20th century.

therefore, the fact that the grandfather is wearing a bolo tie refers to his heritage as native american.