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:
What do u need help with..?
Tired from practice, AND Spending too much time preparing for a match
Participial phrases are verb phrases that act as adjectives to describe nouns. Putting these participial phrases into a sentence makes it easier to see how this works. Tired from practice, Justin decided to take a nap before doing his homework. In this sentence, "tired from practice" describes Justin. Spending too much time preparing for a match, Justin felt unprepared for his Calculus test. "Spending too much time preparing for a match" also describes Justin.