John has really got the job because he showed me the official letter________ him it. [ ]

A. offered    

B. offering

C. to offer  

D. to be offered

不属于Ⅰ型超敏反应的疾病是

A.接触性皮炎 

B.过敏性休克 

C.过敏性鼻炎 

D.过敏性胃肠炎 

E.荨麻疹