Adicionar opção Selecionar usando em AngularJS

<select id="class" name="class" ng-options="option as option.name for option in options track by option.value">
</select>

<select id="class" name="class">
  <option ng-repeat="option in options">
     <a href="option.address">{{option.name}}</a>
  </option>
</select>
SAMER SAEID