Maggie has been fortunate to find a job she loves, and________, she gets well paid for it.[      ]

A. sooner or later  

B. what's more

C. as a result  

D. more or less

补体活化的旁路途径激活过程中，与下列哪项作用无关（）

A.过敏毒素产生

B.膜攻击复合物形成

C.C3裂解为C3a和C3b

D.C4裂解为C4a和C4b

E.C5裂解为C5a和C5b