6.一位44歲女性，主述最近六週來兩側脛骨前(pre-tibial)與腳踝(ankle)有間歇性水腫(edema)。傍晚時較腫，腳抬高或早晨睡醒時水腫會稍改善。實驗室檢查報告為: albumin 3.0 g/dL, BUN 26 mg/dL, creatinine 1.0 mg/dL, total cholesterol (t-Chol) 284 mg/dL, LDL 168 mg/dL. C3 48 mg/dL (normal range, 75-135 mg/dL)。尿液檢查顯示: protein (2+), occult blood (1+)。依據上述數值，最不符合以下何種診斷?
(A)可能是 lupus nephritis
(B)可能是 post-infectious glomerulonephritis
(C)可能是 membranous nephropathy
(D)可能是 cryoglobulinemia
(E)可能是 membranoproliferative glomerulonephritis