14. 一位24歲外表健康女性,健康檢查發現: urine protein (2+),urine occult blood test (2+), Hb 9.4 g/dL,WBC 7,650/mm3,serum creatinine 1.8 mg/dL,補體C3與C4較正常值偏低。病人最可能是以下何種腎絲球腎炎(glomerulonephritis)?
(A) IgA nephropathy
(B) Henoch-Schonlein purpura
(C) Acute poststreptococcal nephritis
(D) Mesangial proliferative glomerulonephritis
(E) Focal segmental glomerulosclerosis (FSGS)