A 17-Year-Old Boy Comes to the Office Due to a Facial

A 17-year-old boy comes to the office due to a facial lesion.  The patient noticed a small area of rough skin on his lower lip several weeks ago, which has progressively enlarged.  He reports no pain or itching.  The patient had eczema during early childhood but has had no other chronic medical conditions.  Vital signs are within normal limits.  Physical examination findings are shown in the exhibit. 
There are no other skin rashes, oral lesions, or enlarged lymph nodes.  Which of the following histopathological findings are most likely present in this patient's skin lesion?

A) Acantholysis and multinucleated giant epithelial cells
B) Epidermal hyperplasia and cytoplasmic vacuolization
C) Subcorneal bacterial collection and neutrophilic infiltration
D) Subepidermal linear complement deposits and separation