8. 下列有關血管炎及其臨床症狀/實驗室檢查的配對中,何者最為正確?
(A) Microscopic polyangiitis - fragmented PMN in blood vessel wall
(B) Churg-Strauss syndrome - elevated serum IgA,low serum complement level
(C) Wegener's granulomatosis - p-ANCA(+)
(D) Henoch-schonlein purpura - elevated serum IgA,Normal Serum complement level
(E) Polyarteritis nodosa - frequent CNS involvement