The answer would be C. The committee's bickering was seriously impeding any real progress.
impede would translate to preventing...such as preventing progress.
You would have used B. context clues. The reasoning for this is you have used other words in the sentence and around this word to help you figure the meaning.
Answer:
Most action verbs are defined as transitive or intransitive. This means that some are used with a direct object (the person or thing that receives the action of the subject) and others don’t need a direct object. Some verbs can be both transitive and intransitive depending on their meaning.
Explanation:
