The answer would be C. The committee's bickering was seriously impeding any real progress.
impede would translate to preventing...such as preventing progress.
I think this is definitely WHO because the story is talking about a certain unknown character.
Answer:
have only one possible meaning
Explanation:
The definition of univocal is
(of a word or term) having only one possible meaning; unambiguous.
A.) kenning I just anwesered it on apex
3) They resulted in the passage of new laws or regulations.