public class MethodOver {  private int x， y；  private float z；  public void setVar（int a， int b， float c）{  x = a；  y = b；  z = c；  }  }   Which two overload the setVar method？（）   

A.   void setVar （int a， int b， float c）{ x = a； y = b； z = c； }

B.  public void setVar（int a， float c， int b） { setVar（a， b， c）； }

C.  public void setVar（int a， float c， int b） { this（a， b， c）； }

D.  public void setVar（int a， float b）{ x = a； z = b； }

E.  public void setVar（int ax， int by， float cz） { x = ax； y = by； z = cz； }