单项选择题

下面程序段的运行结果是
void main ( )

int t, a, b, C;
a=1;b=2;C=2;
while(a<b<c)
t=a;a=b;b=t;c--;
cout < < a < < "," < < b < < "," < < C;

A) 1,2,0 B) 2,1,0 C) 1,2,1 D) 2,1,1