public function adjust_display_options(question_display_options $options)
 {
     parent::adjust_display_options($options);
     $options->suppresschoicefeedback = !$this->showchoicefeedback;
 }
 public function adjust_display_options(question_display_options $options)
 {
     parent::adjust_display_options($options);
     $options->statewhichincorrect = $this->statewhichincorrect;
 }