Answer:
Insomnia
Explanation:
What keeps you up at night?
Is it the small night light that seems so bright?
Or is it nightmares that fill you with fright?
Maybe it's the fan that blows in your room.
Or possibly sadness that fills you with gloom.
It could be foolishness bouncing in your brain.
Or is it a deep thought that seems so tame?
But it's also conceivable that you feel all alone.
Either way, sleeping is a skill you should hone.
Are those the things that keep you up at night?
I suppose it's D and also B, with the addition that transcendentalists believed in God as existing in the inner self from where knowledge comes. Romanticism seek for knowledge outside the self, looking up the Universe.
C is the answer to your question
