Answer:
This question is incomplete. Here are the missing options:
The answer is c. Alarm.
Explanation:
The alarm stage is the first according to the General adaptation syndrome, a model that structures one's response to stress in three different stages.
During the alarm stage, a person experiences a physiological response to stress. In other words, the brain sends signals that indicate the person to take a course of action: a "fight or flight response". Some of the symptoms are increased heart rate and blood pressure.
The alarm stage is followed by resistance and exhaustion, in that order.