11. Jayne was shopping at the local mall when all of a sudden her chest felt tight, she couldn’t catch her breath, her heart began to pound, and she felt shaky and dizzy. Since that day, Jayne has had several more episodes like this. They always strike without warning and in different types of situations. It is most likely that Jayne has .

a. generalized anxiety disorder

b. bipolar disorder

c. panic disorder

d. agoraphobia