All of the answers above are correct except:
<span>d. increased productivity
</span>
When long-term stress strikes, a person may feel the negative symptoms of the disorder which are evidenced by all of the three answers; whereas the last answer seems to be a positive effect.
Time Safari, Inc. guarantees only B. THE DINOSAURS.
This is a part of the story "A Sound of Thunder", where the character, Eckels, entered the office of Time Safari, Inc. and in a conversation with the company clerk, Eckels found out that the company guarantees nothing but encounters with dinosaurs.
