There are 3 words i can think of that would work. Foil, Boil, Coil
D - 'Like a house that a child might have constructed from cards' is the best option to indicate what the word 'ramshackle' means.
Ramshackle means something in severe disrepair (example: an old, rusty car is a ramshackle car or this house). A house that a child constructed from cards is also thought to be not sturdy and in need of repair when it comes down.
we should interact with nature even if spending time with ourselves is fun
The effect of an omniscient third-person narration would be (C) The reader would have a better understanding of the thoughts and opinions of the Aulds.
This narrator, oblivious to what happens, tells everything that occurs to the characters. Knows the characters in a very intimate way and give an account of their most recondite thoughts. Usually equate to a god: a being who sees everything, knows everything.