How should you use textual evidence when you write a theme-based summary?
A. to predict what may happen in stories with similar themes
B. to help readers imagine all the details of the story's setting
C. to explain the story's theme to other readers in a convincing way
D. to share background information about the story with interested readers

im not sure but i think its either C or D

Explanation:

C. To explain the story's theme to other readers in a convincing way

Explanation:

I took the test and know with 100% certainty that it's not D and I ruled out A because it doesn't make sense

he is suggesting that this widow is a strong woman, who is giving constructive criticism and she has enough to worry about, and she takes care of him, so he does not take it to heart.