A.do{ i=1; s=1; s=s*i; i++;}while(i<=9); B.do{i=1; s=1; s=s*i; i++; }while(i<=10); C.i=1; s=1; do{s=s*i; i++; }while(i<=10); D.i=1; s=1; do{s=s*i; i++; }while(i<=9);
A.E==0 B.E!=1 C.E!=0 D.E==1
A.3 B.4 C.5 D.6