The Major Difference Between Panic Disorder and Phobic Disorder Is

The major difference between panic disorder and phobic disorder is:

A) the anxiety associated with panic disorder is not tied to a specific stimulus, unlike with phobic disorder
B) recovery from panic disorder is less likely than recovery from phobic disorder
C) panic disorder lasts longer than phobic disorder
D) the anxiety associated with panic disorder is more intense than the anxiety associated with phobic disorder