Answer:
all of the above
Step-by-step explanation:
fore- would hint at showing something that would happen before, so 'words and imagery that hint at the future' would be a correct answer.
-shadowing would use the word shadow to show evidence of something dark or unusual, making 'objects that seem to be getting an unusual amount of attention' and 'anything that makes you feel anxious and eager to find out what happens next' also correct answers.