James Began Having Panic Attacks Immediately After His Mother Died

James began having panic attacks immediately after his mother died suddenly. As they became more frequent, he began to fear going into public situations where they might occur. Now he is unable to leave his apartment and has others go out to shop for him. What is unusual about this case?

A) There is nothing unusual about this case.
B) It is unusual for panic attacks to begin after a stressful life event.
C) It is unusual for a person with severe agoraphobia to be a man.
D) It is unusual for fear of panic attacks to lead to agoraphobia.