Taryn, who was assaulted in a parking lot, experiences frequent nightmares and has withdrawn from her family and friends. since the attack, she has difficulty sleeping and can no longer hold down a job. taryn's symptoms indicate that she has:

Post-traumatic stress disorder (PTSD)

Explanation:

Post-traumatic stress disorder (PTSD) is a mental disorder in which an individual experiences dreams, flashbacks and nightmares about any terrifying situation that he/she has experienced or seen.This creates a feeling of anxiety ,depression, sleeplessness and unwanted thoughts.

According to the situation mentioned in question, Taryn is experiencing post-traumatic stress disorder. After the assaulted movement that took place with her, she got terrified and thus experiences nightmares.She is also not able to sleep properly due to this.

answer (c) by causing social withdrawal;