以下不正确的if语句形式是( ). A.if(x!=y) scanf(“%d”,&x) else scanf(“%d”,&y); B.if(x==y) x+=y; C.if(x>y&&x!=y); D.if(x 以下不正确的if语句形式是( ). A.if(x!=y) scanf(“%d”,&x) else scanf(“%d”,&y); B.if(x==y) x+=y; C.if(x>y&&x!=y); D.if(x
