Karen was mugged at knifepoint 6 months ago while walking home from work. She has recently begun experiencing nightmares about being robbed and daily has intrusive memories of that original traumatic event. She is generally having a difficult time adjusting to daily life following her trauma and often reexperiences her trauma on her walks to work. Which of the following DSM disorders best describes Karen's situation? Based on this information, Karen is MOST likely to be diagnosed with disorder.

a. post-traumatic stress

b. acute stress

c. generalized anxiety

d. adjustment
a. post-traumatic stress