“Stopping by the Nursing Home on a Sunny Morning”

And “What can beagles teach us about Alzheimer’s disease?” This passage is adapted from the article “what can beagles teach us about Alzheimer’s disease?” by Elizabeth Head. What is the effect of the third stanza on the poem?

A) it explains why the Grandmother has stopped knitting for others
B) it gives a glimpse into what the grandmother was like before the disease.
C) It describes the time before the speaker knew her grandmother.
D) it emphasizes how losing control over her mind affected the grandmother.

B) it gives a glimpse into what the grandmother was like before the disease.