Which line from "The Book of Sand" is an example of foreshadowing?
”One evening a few months ago, I heard a knock at my door. I opened it, and a stranger stepped in.”
”It’s not only Bibles I sell, I can show you a sacred book that might interest a man such as yourself. I came by it in northern India, in Bikaner.”
”I was struck by an odd fact: the even-numbered page would carry the number 40,514, let us say, while the odd-numbered page that followed it would be 999.”
”I remembered reading once that the best place to hide a leaf is in the forest.”

Question

Which line from "The Book of Sand" is an example of foreshadowing? 
”One evening a few months ago, I heard a knock at my door. I opened it, and a stranger stepped in.”
”It’s not only Bibles I sell, I can show you a sacred book that might interest a man such as yourself. I came by it in northern India, in Bikaner.”
”I was struck by an odd fact: the even-numbered page would carry the number 40,514, let us say, while the odd-numbered page that followed it would be 999.”
”I remembered reading once that the best place to hide a leaf is in the forest.”