A.IgM
B.IgG
C.SIgA
D.IgD
E.IgE
[单选题]抗原刺激后最先出现( )。A.IgMB.IgGC.SIgAD.IgDE.IgE
[单选题]抗原刺激后最先出现( )。A.IgMB.IgGC.SIgAD.IgDE.IgE
[单选题]在抗原刺激后最先出现的Ig是( )。A.IgMB.IgGC.sIgAD.IgDE.IgE
[单选题]抗原刺激后最先出现的免疫球蛋白是A.IgAB.IgDC.IgED.IgGE.IgM
[单选题]抗原刺激后最先出现的免疫球蛋白是A.IgAB.IgDC.IgED.IgGE.IgM
[单选题]抗原刺激后最先出现的免疫球蛋白是A.IgAB.IgDC.IgED.IgGE.IgM