According to the Textbook's Discussion on Anxiety

According to the textbook's discussion on anxiety

A) panic attacks are called the fear of fears because people feel that they are dying.
B) in many situations it is sensible to feel anxiety,and in fact,these emotions are adaptive.
C) posttraumatic stress disorder occurs within the first two days after a trauma.
D) it is unusual for a mentally healthy person to experience a panic attack.