<p>It’s A, because “smooth” is supposed to be an adverb describing how things were going at the office. It should be “Just when the staff thought things were going smoothly at the newspaper …”</p>
<p>It’s A, because “smooth” is supposed to be an adverb describing how things were going at the office. It should be “Just when the staff thought things were going smoothly at the newspaper …”</p>