Answer:
You use semicolons (;)
Explanation:
If the sentence has too many commas, it becomes very confusing. The semicolon is a combination of a colon and a comma, and breaks the sentence up so that it's easier for the reader to understand.
The answer would be C. The committee's bickering was seriously impeding any real progress.
impede would translate to preventing...such as preventing progress.
A three line stanza is known as a<span> tercet.</span>