diff --git a/Source/BusinessClass/BoxQuestion.php b/Source/BusinessClass/BoxQuestion.php
index bbf49d4..4504408 100644
--- a/Source/BusinessClass/BoxQuestion.php
+++ b/Source/BusinessClass/BoxQuestion.php
@@ -17,10 +17,8 @@ abstract class BoxQuestion extends Question
     private array $categories;
 
 
-    public function __construct()
+    public function __construct(int $ctp, array $args)
     {
-        $ctp = func_num_args();
-        $args = func_get_args();
         switch($ctp)
         {
             case 4:
diff --git a/Source/BusinessClass/CheckBoxQuestion.php b/Source/BusinessClass/CheckBoxQuestion.php
index 9f76d76..a0fcf5c 100644
--- a/Source/BusinessClass/CheckBoxQuestion.php
+++ b/Source/BusinessClass/CheckBoxQuestion.php
@@ -9,19 +9,7 @@ class CheckBoxQuestion extends BoxQuestion
 {
     public function __construct()
     {
-        $ctp = func_num_args();
-        $args = func_get_args();
-        switch($ctp)
-        {
-            case 4:
-                parent::__construct($args[0], $args[1], $args[2], $args[3]);
-                break;
-            case 2:
-                parent::__construct($args[0], $args[1]);
-                break;
-            default:
-                break;
-        }
+        parent::__construct(func_num_args(), func_get_args());
     }
 
 
diff --git a/Source/BusinessClass/ListBoxQuestion.php b/Source/BusinessClass/ListBoxQuestion.php
index 31a4809..f3f460f 100644
--- a/Source/BusinessClass/ListBoxQuestion.php
+++ b/Source/BusinessClass/ListBoxQuestion.php
@@ -9,19 +9,7 @@ class ListBoxQuestion extends BoxQuestion
 {
     public function __construct()
     {
-        $ctp = func_num_args();
-        $args = func_get_args();
-        switch($ctp)
-        {
-            case 4:
-                parent::__construct($args[0], $args[1], $args[2], $args[3]);
-                break;
-            case 2:
-                parent::__construct($args[0], $args[1]);
-                break;
-            default:
-                break;
-        }
+        parent::__construct(func_num_args(), func_get_args());
     }