<prompt> Renal biopsy in a patient of microscopic polyangiitis MPA will yield which of the following findings?Subepithelial humps on electron microscopyDeposits showing apple-green birefringence on polarized lightPauci-immune crescentic glomerulonephritisNormal renal histology  <response>: Option A: Feature seen in MGN Option B: Feature seen in Amyloidosis Option C: Pauci-immune crescentic glomerulonephritis 