A 60-year-old woman presents with generalized edema, skin ulceration and hypertension. Urine examination shows subnephrotic proteinuria (

• A. Essential Mixed Cryoglobulinemia
• B. Post-streptococcal Glomerulonephritis
• C. Focal Segmental Glomerulorsclerosis (FSGS)
• D. Membranoproliferative Glomerulonephritis(MPGN)