以下程序的输出结果为______

# include
main ( )
{ int i=0, j=0, a=6;
if ((++i>0)&&(++j>0)) a++;
printf ("i=%d, j=%d, a=%d\n", i,j,a);}

A.i=0, j=0, a=6
B.i=1, j=1, a=7
C.i=1, j=0, a=7
D.i=0, j=1, a=7