C) So dark, we couldn't find our way from the car to the hunting lodge without flashlights.
A better sentence would be: We couldn't find our way from the car to the hunting lodge without flashlights because it was so dark.
I would, but there's a high possibility what I write will be used. I wish you luck on the theme though :>
Answer:
B).A calculated well planned ambush.
It's noun, most probably.
The setting is where the story takes place.
