单项选择题
A.if(x%2!=0)x=0;elsex=; B.if(x%2)x=1;elsex=0 C.if(x%2==0)x=1;elsex=0 D.if(x%2==1)x=0;elsex=1
A.-1 B.3 C.1 D.5
A.2 B.11 C.3 D.12