Answer:
Filibustering.
Explanation:
Filibustering is a method that Senators can use to stall or prevent a vote on a particular bill. Although not quite common nowadays, it has been used many times in the past.
The answer to your question is: D) son.
Therefore, the sentence would read like this: Ellos son inteligentes.
<em>I hope this is of some help! :)</em>
Africa
Africa's Linguistic Diversity. The African continent is home to one third of the world's 6,000 languages