题目补体活化后可导致炎症损伤,下列哪个成分兼具过敏毒素和趋化作用A. C1qB. C5aC. C3bD. C3aE. C2b补体活化后可导致炎症损伤,下列哪个成分兼具过敏毒素和趋化作用A. C1qB. C5aC. C3bD. C3aE. C2b题目解答答案B. C5a