Answer:
The correct option is: A. Acute stress disorder
Explanation:
Acute stress disorder is a type of stress-related disorder, that occurs in the first month after an individual experiences an exceptional psychological or physical stress or trauma. The stress experienced by the individual can be a traumatic incident or a sudden change in social circumstances. This disorder comes under the class of anxiety disorder.
Symptoms include: a state of daze, increased heart rate, sweating, hyperventilation, disorientation, withdrawal from the surrounding situation, inability to sleep or concentrate.
Therefore, Sandy might be diagnosed with Acute stress disorder.