2.A 43-year-old man with relapsed diffuse large B-cell lymphoma is admitted for salvage chemoimmunotherapy with R-ICE (Rituximab, Ifosfamide, Carboplatin, Etoposide). On the third day of therapy, the patient rapidly progressed from increased sedation and confusion to unresponsiveness. Preliminary labs drawn were unrevealing. The treating provider immediately recognized the adverse event and began administration of which therapeutic agent?

A. Dexamethasone

B. Dextrose 50%

C. Vitamin C

D. Methylene blue

E. Activated charcoal