A:过敏反应没有淋巴细胞参与
B:过敏反应疾病是免疫系统功能的正常反应
C:过敏反应中产生抗体的细胞来源于骨髓中的造血干细胞
D:机体首次接触过敏原即产生过敏
All the people went out ____ ____ ____ the lost child.
As long as I can remember, ___________I called, his wife would answer the phone.