<span> He is not well-liked, to say the very least</span>
I would say the answer is d. just as
This is because you are comparing the similarities between two things. The other words either contrast the two things or explain the relationship instead of comparing it.
"March 15, 2001 was the day this green toad laid more than 10,000 eggs."
A hyperbole is an extreme exaggeration. So it can be concluded that D, is the correct answer.<span />
I think it's present participle