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.
Answers:
1) The car, which took Miah months of saving money to buy, is parked in the garage.
2)The bicycle that Kameron has had since he was ten years old is still in great shape.
4) Sierra met the boy whose parents had recently opened the restaurant doors across the street.
Answer:
susan usually ... goes to school by bus, but now she ... going to school by train
Gregor can't handle the furniture moving. He crawls out from behind the couch and globs onto the first thing he sees. It is a picture on the wall of a woman in furs. I think Gregor doesn't want to lose the possibility that he might become human again. The furniture reminds him of this.