免疫球蛋白中与过敏反应关系密切的是()。
A.IgE
B.IgG
C.IgD
D.IgM
E.IgA
参考答案:A
解析:IgE是亲细胞抗体,在Ⅰ型超敏反应中起作用。
John may phone tonight,______I'll have to wait at home. [ ]
A. in this case
B. in that case
C. in which case
D. in case