Why does robert frost often write in blank verse

Based on part two of trifles, which of the following images most reinforces the them of loneliness that exists throughout the play?

Chapters 3–5 while reading, think about… author’s purpose/point of view symbolism communication between characters —ethan frome

When they reached the door of the lonely house and stopped to unlock it, and the cat came to purr loudly, and rub against them, a deserted p***y, indeed, but fat with young robins, sylvia whispered that this was a beautiful place to live in, and she never should wish to go home. the description of the house in this excerpt gives an example of