When the inspecting team said there was nothing illegal in the management of the company, the manager    breathed deeply _______.     [ ]

A. with a relief    

B. at a relief  

C. in relief    

D. to his relief

可用重氮化-偶合反应鉴别的药物有（）

A.布洛芬

B.阿司匹林

C.盐酸利多卡因

D.盐酸普鲁卡因

E.肾上腺素