The shop assistant promised me that the material ____, and what she said ___ to be true .

would be dried easily ; was proved  B. will be dried easily ; was proved

C. dried easily ; proved              D. dried easy ; proved

易在泌 * * 内形成结晶，引起血尿，尿痛的药是（）

A.卡那霉素

B.庆大霉素

C.磺胺类药

D.氯霉素

E.青霉素