The subject matter is in the poem's title. Their is a resentful mood although it's not plainly stated that the author resented her mother. Her mother's house represents the attitude of her mother; the walls stood at attention, the air knew to hold its breath, the polished floor defied heel marks... The personification is plain in these opening observations and, given the subject matter, it seems plain that these are reflections of the author's mother. It would seem that her mother is very commanding, superior, serious. Two lines I think are very telling:
"crinkled in discomfort in my mother's house"
It's not been named a childhood home, rather she's in (imagine italics) Her Mother's House
Answer:
When students learn integrity in classroom settings, it helps them apply similar principles to other aspects of their lives. Most K-12 educators recognize that the students they teach today will become the leaders of tomorrow. Academic curriculum is constantly updated to meet the increasing demands of a changing knowledge society.
D) the importance of seizing the day and experiencing it fully.