how to replicate a dynamic table

var copia;

function loadEditLabel() {
  // Salva o novo input saindo do campo ou apertando enter
  $('[contenteditable="true"]').focus().select().keydown(function(event) {
      if (event.key == 'Enter') { // Checa se a tecla digitada foi o Enter
        $(this).prev('input').val(this.innerHTML); // Colocar o value do input com o texto digitado
        $(this).prop('contenteditable', false); // Desabilita o campo de edição
      }
    })
    .blur(function() {
      $(this).prev('input').val(this.innerHTML);
      $(this).prop('contenteditable', false);
    });
}

$('#add').click(function() {
  html = '<div class="itens">';
  html += '<div id="radios"><input type="radio" disabled style="vertical-align: text-bottom;" value="teste" name="data"><input type="text" value="" class="form-control radio-alinha text" placeholder="Adicionar Alternativa"><a href="#" class="del"><span class= "glyphicon glyphicon-trash"></span></a></div></div>';
  //html += '<input type="text" placeholder="Nova Entrada">';
  //html += '<a href="#" class="del"><span class= "glyphicon glyphicon-trash"></span></a></div>';

  $('#campos').append(html); // Adiciona o novo input dentro da div radios

  loadEditLabel(); // Carrega o radio para a edição

$(function(){
    $('.del').click(function(event){
      event.preventDefault();   
    $(this).parent().remove();
    });
});

});

$('#btnexp').on('click', function(){
  
    copia = $('#exp').html();
  
});

$('#btnexibir').on('click', function(){
  
    $('.copiada').html(copia);
  
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script><scriptsrc="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<link rel="stylesheet" type="text/css" href="bootstrap/css/bootstrap.min.css">
                     <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
                     <div class="form-group esconder" id="id_TME">
                        <div class="panel panel-default" id='exp'>
                           <div class="panel-body">
                              <div id="multipla-escolha">
                              </div>

                              <div id="campos"></div>
                              <button id="add" class="btn btn-primary btn-md">
                              <span class="glyphicon glyphicon-plus" aria-hidden="true">                                  
                              </span>
                              </button>


                           </div>
                        </div>
                        <button ng-click="adicionaTarefa()" type="button" class="btn btn-primary btn-md" data-dismiss="modal" id="btn-cadastra-tarefa"><span class="glyphicon glyphicon-ok-sign"></span> Salvar</button>
                     </div>

<div id='btnexp'>Copiar</div>
<div id='btnexibir'>Exibir Copia</div>

<div class='copiada'></div>

      <script src="bootstrap/js/bootstrap.min.js"></script>