If the title is "After Hours in Kindergarten" then the theme is about what goes on in a kindergarten's experience while in school. It provides the theme and tells you what you’ll be reading about.
Answer A. Innate.
We do not know if it is a trait that all humans are born with (which would be innate), or if it's something that we develop as we grow older.
The other words wouldn't make sense in the place of innate.
The long, winding corridor is illuminated with oblong skylights
A. similes use like or as and metaphors do not
Distraught
That should be the answer. Hope this helps :)
