Could you tell me ____________________ ?

A．what she had done with the newspaper

B．how we can call this lady

C．what’s wrong with the little boy

D．which gate I should go

关于超敏反应正确的理解是（）。

A.不出现组织细胞损伤

B.机体反应性处于低状态

C.不是特异性的

D.属于正常免疫应答

E.属于异常免疫应答