A)if(x=0;) printf("%f",x); elseprintf("%f",-x); B)if(x>0) {x=x+1;printf("%f",x);} elseprintf("%f",-x); C)if(x>0); {x=x+1;printf("%f",x);} elseprintf("%f",-x); D)if(x>0) {x=x+1;printf("%f",x)} elseprintf("%f",-x);