rash

Question: 22 yo presents with complaint of a localised intensely pruritic rash over the anterior neck, posterior neck, and left anterior/superior part of the shoulder, almost extending to the tip of the left shoulder.

What is this rash due to?
A. acute urticaria
B. allergic dermatitis
C. varicella zoster infection
D. herpes zoster infection
E. too much evil in the past life. heh.