Read the excerpt from "The Hammer of God."
He would have been far less relaxed had he known of the ABSOLUTE PRIORITY message racing toward him by tight infrared beam from ASTROPOL headquarters in Geneva. It would not reach Goliath for another 30 minutes. And by then it would be much too late.
Which options clearly explain the use of foreshadowing in the excerpt?
(Select all that apply.)
a) It predicts the outcome of a mathematical equation.
b) It provides historical context for the story.
c) It hints at future mathematical discoveries.
d) It builds tension by suggesting impending events.