Question

how does the phrase \puzzling my brains\ (paragraph 4) emphasize the frustrated mood of the passage?
a by revealing how the narrator classifies his emotional challenges
b by demonstrating that the narrator refuses to try to face his problems
c by describing the narrator’s indecision about most aspects of his home
d by illustrating how overwhelming the narrator’s emotions have become

Explanation:

The phrase "puzzling my brains" implies intense mental struggle. It shows the narrator is deeply troubled and that their emotions are so strong as to cause mental distress, thus emphasizing a frustrated mood.

Answer:

D. by illustrating how overwhelming the narrator’s emotions have become