question: A 33-year-old man presents with a 5-week history of calf pain, swelling, and low-grade fever. Serum levels of creatinine kinase are elevated. A muscle biopsy reveals numerous eosinophils also she had peripheral blood eosinophilia. Which of the following interleukins is primarily responsible for the increase in eosinophils in this patient?
opa: IL 2
opb: IL 4
opc: IL 1
opd: IL6