When Sandra was 18 years old, she was in a serious car accident. Although she made a full recovery from her injuries, she experienced extreme anxiety afterward. Sandra is now very anxious when driving, will not drive near the site of the accident, has nightmares about the accident, and flinches when she goes through intersections. Sandra has symptoms suggestive of. A. generalized anxiety disorder. B. a specific phobia. C. post-traumatic stress disorder. D. panic disorder.