以下关于查询的描述正确的是______。

A．不能根据自由表建立查询

B．只能根据自由表建立查询

C．只能根据数据库表建立查询

D．可以根据数据库表和自由表建立查询

—Could you tell me______? 

—It's about ten minutes' ride.      [ ]

A. where is your school        

B. how far your school is from here

C. when do you go to school    

D. which the way to your school is