Heather's boyfriend Matt served combat duty in Iraq. After returning to the US last month and reuniting with Heather, Matt shared the details of the battles he was involved with and the trauma he experienced while serving. Heather has begun to experience intense periods of anxiety and feels as if she is "in a daze". It is possible Heather has developed _____________ as a result of listening to Matt's experiences.a. post-Traumatic Stress Disorderb. an Acute Stress Disorderc. an Adjustment disorder with anxietyd. an Adjustment disorder unspecified