Will you please drive          ? The train is leaving soon. [ ]

A. quick

B. faster

C. more slowly

D. slowly

早期胃癌，下列影像学检查方法中首选的是（）。

A.传统的钡餐检查技术

B.气钡双重检查技术

C.低张气钡双重检查技术

D.CT

E.MRI