Darlene Is Constantly Nervous,tense,and Fearful

Darlene is constantly nervous,tense,and fearful.She worries about her health,her job,her children,and her relatives.Her husband has tried to reassure her that everything is going well,but she can't seem to shake her constant anxiety.Darlene is probably experiencing

A) social anxiety disorder.
B) agoraphobia.
C) generalized anxiety disorder.
D) panic disorder.