Answer:
the revelation of an identity or fact, especially one that is concealed or likely to arouse disapproval.
Explanation:
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.
16.their
15.he's pointing out that the fight for equal rights is the work of all citizens of a free society
18.thoughtful reflection
The first days of spring are the best days.
You can tell this because it says 'Nature's first green.'