有定义语句:int x,y;若要通过scanf("%d,%d",&x,&y);语句使变量x得到数值11,变量y得到数值12,下面四组输入形式中,正确的有().
A. 11 12<回车>
B. 11,<空格>12<回车>
C. 11,12<回车>
D. 11,<回车> 12<回车>
I had almost given up hope of finding a house I liked, and then suddenly this one turned ___ .
A. in
B. down
C. off
D. up