When a writer uses foreshadowing, it

tends to annoy readers who don’t want to know what happens at the end
hints to readers that something is of significance and gets them interested
creates a false sense of the possibility of time travel in the world of the story
demonstrates the message that seeing into the future can be dangerous

When a writer uses foreshadowing, it hints to readers that something is of significance and gets them interested.

Foreshadowing is a literary device in which a writer provides an advance hint of what is going to occur later in the story. Foreshadowing can often be found  at the beginning of a story, or a chapter, and it helps the reader develop expectations about the upcoming events.

According to that explanation, the second option is correct.

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