A premie newborn baby in the neonatal ICU spikes a high fever and begins to have large areas of the skin peeling off, starting at the palms and soles, and progressing to the groin and abdomen. The skin appears raw and blistery. The child was monitored for other signs and symptoms and prescribed antibiotics. The bacterial virulence factor most responsible for this patient's condition is:

A) Exfoliative toxin
B) Capsule
C) A-B subunit toxin that targets cAMP
D) Lipase