Which of the Following Is an Example of Anticipatory Stress

Which of the following is an example of anticipatory stress?

A) Anna's coworker Julie was just let go due to downsizing.Anna worries about whether she will get to keep her job.
B) Reuben feels anxious every time he thinks back to what his supervisor said during his recent performance evaluation.
C) Sam is upset because he just lost an important sale that he has been working toward for a month now.
D) Carlos' son is home alone and has called Carlos at work three times in the past hour.