I think it’s C or D. C is more specific. D is saying all of the above which is true, but I don’t think that would be the answer. Since it says to fill up your paper. But it’s your decision
The answer would be C. The committee's bickering was seriously impeding any real progress.
impede would translate to preventing...such as preventing progress.
Answer: it is sentence number 2
Explanation:
hope it help
