—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

根据元素周期律判断，下列递变规律不正确的是[ ]

A．Na、Mg、Al的金属性依次减弱

B．HCl、HBr、HI的稳定性依次增强

C．HClO₄、H₂SO₄、H₃PO₄的酸性依次减弱

D．Li、Na、K分别与水反应的剧烈程度依次增强