Answer:
for me, I think it's D
Explanation:
the black death had spread through the contact with animals, basically through fleas and other day parasites. They spread through trade.
<span>The sentence which is the hook in this introductory paragraph is</span><span> For the first time in decades, Baby Boomers have been outnumbered by another group--the Millennials. The answer is letter B. This is the introductory paragraph because this explains the main idea of the paragraph and introduces the topic.</span>
