$webform_components = db_select('webform_component', 'c')
                          ->fields('c', array('type', 'form_key', 'extra'))
                          ->condition('nid', $nid)
                          ->execute()
                          ->fetchAll();

"a:8:{s:13:"title_display";s:4:"none";s:7:"private";i:0;s:15:"wrapper_classes";s:0:"";s:6:"sticky";i:1;s:7:"options";s:20:"5|poorn10|excellentn";s:18:"custom_option_keys";i:1;s:9:"questions";s:159:"mensaje|Each message is associated with a language, which may or may not be thenactual|current user's selected language, depending on the type of e-mail beingn";s:20:"custom_question_keys";i:1;}"

"options";s:20:"5|poorn10|excellent

"questions";s:159:"mensaje|Each message is associated with a language, which may or may not be thenactual|current user's selected language, depending on the type of e-mail being