During an Assessment of a 26 Year Old at the Clinic

During an assessment of a 26 year old at the clinic for "a spot on my lip I think is cancer," the nurse notices a group of clear vesicles with an erythematous base around them located at the lip-skin border.The patient mentions that she just returned from Hawaii.What would be the most appropriate response by the nurse?

A) Tell the patient she will need to see a skin specialist.
B) Discuss the benefits of having a biopsy done of any unusual lesion.
C) Tell the patient this is herpes simplex I and will heal in 4 to 10 days.
D) Tell the patient that this is most likely the result of a riboflavin deficiency and discuss nutrition.