A 28-year-old woman comes to the physician for a 2-day history of a diffuse maculopapular rash. She recently recovered from septic arthritis caused by S. aureus in which she was treated with IV cefazolin in-patient followed by oral cephalexin outpatient. Urinalysis shows eosinophils. Which of the following is most likely to be seen in this patient?
A) Duplication of the basement membrane
B) Inflammatory infiltrates in the interstitium
C) Lipoid nephrosis
D) Sloughing of renal tubular epithelium
E) Splitting of the lamina densa
