The sentence that is the best example of foreshadowing is: "Jack saw the empty bottle of medicine and told himself to remember to refill his prescription." (Option B)
Foreshadowing is a tool in the literature that writers use to subtly reference an event that will happen in the future.
Hence it is correct to state that the sentence that is the best example of foreshadowing is: "Jack saw the empty bottle of medicine and told himself to remember to refill his prescription."
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