Which sentence from "Barbie Is in Her 60s and Still Going Strong!" is an example of foreshadowing? "The math works out to 58 million Barbies a year and about a billion over the past six decades."

"She worked as a surgeon in 1973, a time when very few real-life women had that opportunity."

"The first Barbies and Kens wore simple swimsuits, giving little hint of the amazing variety to come."

"Today, more than 100 Barbies are sold every minute in more than 150 countries."