—Yang Lei, summer vacation is coming. Where will you go?

—I decide _____ to Mount Emei. [ ]

A. go                    

B. will go

C. gong                  

D. to go

下列各组铁路线中，属南北干线的是（　　）

A．陇海线

B．湘黔线

C．浙赣线

D．京广线