The author tell the reader about a character by revealing any specific traits in a straightforward manner.
Just to help you out a little bit, We can't read the lesson nor see the poem if we did i could tell you
I would say the correct answer is depressed.
As you can see in the excerpt, this room used to belong to a deceased person. The room stayed in its pristine condition, looking just the way it used to look while people still lived there. The room is cold, solemn, and nobody visits it often, which gives off a depressed tone to it.