给一个对话框添加一个“确定”按钮的事件监听，下列代码正确的是

A． dialog.setOnClickListener("确定", new OnClickListener() {
              public void onClick(View arg0) {
                     // TODO Auto-generated method stub
              }
       });
B． dialog.setPositiveButton("确定", new OnClickListener(){
public void onClick(DialogInterface dialog, int which){
// TODO Auto-generated method stub
}
});
C． dialog.setNegativeButton("确定", new OnClickListener(){
                     public void onClick(View arg0){
                     // TODO Auto-generated method stub
                     }
              });
D． dialog.setNegativeButton("确定", new OnClickListener(){
                     public void onClick(DialogInterface dialog, int which){
                     // TODO Auto-generated method stub
                     }
              });