The closest meaning to the word congested as it’s used in this means when someone can’t breath because the this she nose becomes swollen that’s why is also called stuffy nose.
The boys steal Piggy's glasses.
Piggy's glasses help him see; symbolically, they represent the ability to think clearly and logically.
By stealing Piggy's glasses, the boys descend further into savagery; they lose the ability to think rationally and logically.
I believe it should be an interjection
The answer is (D) <span>anything beyond the specific words of a literary work that may be relevant to understanding the meaning of a text.</span>