Question

Which sentence is the hook in this introductory paragraph? For the first time in decades, Baby Boomers have been outnumbered by another group--the Millennials. Baby Boomers, who were born in the '40s and '50s, are nearing or are in their elder years. Millennials, born in the twenty years leading to 2000, are now young adults. Now that they are in the majority, there are many areas where the Millennials may impact our society and priorities.
          A. For the first time in decades, Baby Boomers have been outnumbered by another group--the Millennials.
    B. Baby Boomers, who were born in the '40s and '50s, are nearing or are in their elder years.
   C. Millennials, born in the twenty years leading to 2000, are now young adults.
    D. Now that they are in the majority, there are many areas where the Millennials may impact our society and priorities.

Answer 1

A. For the first time in decades, Baby Boomers have been outnumbered by another group--the Millennials.

A hook is basically a literary technique used in the opening lines or introduction of a story or essay report, wherein the writer "hooks" or captures the reader's attention, urging the reader to read on rather than stop reading the essay or story.

 In this instance, option A is correct because it urges the reader to keep reading in order to find out more about millennials outnumbering Baby Boomers. 

Answer 2

The hook in this paragraph is A "For the first time in decades, Baby Boomers have been outnumbered by another group--the Millennials." Typically, the hook is the first sentence in a paragraph, and it is used to grab the interest of the reader. The hook helps the reader decide if they will continue to read the remainder of the article, or if they will decide against reading it.