This is a very short poem that describes at the same pace of the scene. Fast as it may seem just like how it feels when you're in a subway as it speeds away from the platform. When the door opens, it quickly reveals the “Sea of faces” then gone after it closes. As a Modernist Poet, the writer uses few descriptive words to strongly to lay out his point across.
Answer:
She uses it to describe her feelings and opinion on her own house. To give an example and explain how she just desires her own house. So, that you can at least begin to grasp her point of view.
Explanation:
I would choose C. as there is a subject and context in the sentence which the others lack.
Hope I helped :)
Edits/revises/improves. Also, you have a lot of double and triple spaces.