<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 6-year-old girl is brought to the physician by her father because of a 3-day history of sore throat, abdominal pain, nausea, vomiting, and high fever. She has been taking acetaminophen for the fever. Physical examination shows cervical lymphadenopathy, pharyngeal erythema, and a bright red tongue. Examination of the skin shows a generalized erythematous rash with a rough surface that spares the area around the mouth. Which of the following is the most likely underlying mechanism of this patients rash?? A: Anti-M protein antibody cross-reaction, B: Subepithelial immune complex deposition, C: Erythrogenic toxin-induced cytokine release, D: Bacterial invasion of the deep dermis, E: Paramyxovirus-induced cell damage,  <response>: This is a clinical vignette describing a 6-year-old girl with sore throat, abdominal pain, nausea, vomiting, high fever, cervical lymphadenopathy, pharyngeal erythema, bright red tongue, and a generalized erythematous rash sparing the perioral area. The presentation is classic for scarlet fever, which is caused by group A Streptococcus GAS infection. The rash of scarlet fever is due to a erythrogenic toxin produced by GAS that induces cytokine release, leading to a diffuse erythematous eruption.The other options can be ruled out:A Anti-M protein antibodies can cause rheumatic fever, not scarlet fever B Immune complex deposition causes vasculitis, not a diffuse erythematous rashC Bacterial invasion of deep dermis causes cellulitis, not a toxin-mediated rashD Paramyxoviruses like parvovirus B19 can cause a slapped cheek rash, not diffuse erythemaC: Erythrogenic toxin-induced cytokine release 