若有定义语句int a,b; double x; 则下列选项中没有错误的是
A.switch(x%2) {ease 0: a++; break; ease 1: b++; break; default: a++; b++; }
B.switch((int)x/2.0) {case 0: a++; break; case 1: b++; break; default: a++; b++; }
C.switch((int)x%2) {ease 0: a++; break; ease 1: b++; break; default: a++; b++; }
D.switch((int)(x)%2) {case 0.0: a++; break; ease 1.0: b++; break; default: a++; b++; }