If you like, you can take ____.

A．as much books as you can

B．as many books as possible

C．as many as books you can

D．many as possible as you can

下列的叙述，错误的是 (      ) 

A．当温度极低时，超导材料的电阻率会突然减小到零

B．金属材料的电阻率随温度升高而增大

C．材料的电阻率取决于导体本身，与导体的电阻、横截面积和长度无关

D．电阻值大的为绝缘体，电阻值小的为导体