________ around the Taimountain Park, the tourists from Hong Kong were taken to visit the Mei

Langang Memorial Museum.[ ]

A. Showing

B. Having shown

C. Being shown

D. Having been show

以下对糖尿病检验结果的解释正确的是（）

A.尿糖阴性可以排除糖尿病

B.尿糖阳性可以诊断为糖尿病

C.尿酮阳性仅见于糖尿病

D.空腹血糖正常可以排除糖尿病

E.餐后2小时血糖正常可以是糖尿病