Answer:
I would go with D Im so sorry if its wrong
<span>A grating sensation called CREPITUS can be felt and sometimes heard when the ends of a broken bone rub together</span>
I believe the correct answer is C. a sense of comfort and security.
This is not just any kind of overtaking or conforming or keeping within limits. It means those five nations will function as one, protect their common interests along with protecting each other, and prosper together. Also, the togetherness will make them far more secure. Hence the word "enfold", which also means to wrap up, to hug, to embrace.
The answer would be C, as it is the only one that makes sense when you read it. Hope this helps.
Sample response: The general lesson from the reading is that inventing a useful product takes time and perseverance. You have to experiment, fail, and retry your ideas until you succeed.