既有趋化作用又可激活肥大细胞释放组胺的补体裂解产物是（）A:C3a、C5a B:C3a、C2a C:C4b2a3b、C5b67 D:C2a、C5a E:C3b、C4b 答案: C3a、C5a

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既有趋化作用又可激活肥大细胞释放组胺的补体裂解产物是（ ）A:C3a、C5a B:C3a、C2a C:C4b2a3b、C5b67 D:C2a、C5a E:C3b、C4b 答案: C3a、C5a