{x2-1(x<0)设f(x)={x(0≤x≤1),则f(x)在(){2一x(1

{x2-1(x<0)
设f(x)={x(0≤x≤1),则f(x)在()
{2一x(1A、x=0,x=1处都间断
B、x=0处间断,x=1处连续
C、x=0,x=1处都连续
D、x=0处连续,x=1处间断
【正确答案】:B