C3a和C5a的生物学作用有
A. 杀菌作用
B. 过敏毒素作用
C. 中和病毒作用
D. 调理作用
E. 吞噬功能
在补体连锁反应中最终形成的攻膜复合体是
A. C5b6789
B. C4b2a3b
C4b2b
D. C3bBb
E. C3b4b
Find the answer by connecting.For example：1Use the side of -----A your spoon
At what time do people in our country usually have dinner?
Around 6:00 p.m.
B. Around 5:00 p.m.
C. Around 7:00 p.m.
D. Around 8:00 p.m.
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