public function l10n( $key ) {

		$tkey = '';

		switch ( $key ) {

			case 'passed': // Deprecated.
			case 'status':
				$statuses = llms_get_quiz_attempt_statuses();
				$status   = $this->get( 'status' );
				$tkey     = ( $status && isset( $statuses[ $status ] ) ) ? $statuses[ $status ] : $tkey;
				break;

		}

		return $tkey;
	}