单项选择题
A.IL-4 B.TNF C.IL-2 D.IFN E.CSF
A.C3b B.C3a C.C5a D.C4a E.C5b
A.C3a、C3b、C4a B.C3a、C4a、C5a C.C3b、C4b、C5b D.C5a、C3b、C4b E.C3a、C4a、C5b
A.C4b2b B.C4b2b3b C.C3bBb D.C3bBb3b E.C3bBbP
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