A.C1q B.C2b C.C4b D.C5a E.C3b
A.C3a B.C3b C.C2b D.C4a E.C5a
A.藥物引起的過敏性休克 B.過敏性鼻炎 C.移植排斥反應(yīng) D.系統(tǒng)性紅斑狼瘡 E.血清過敏癥