我试图让我的 while 循环只继续重复，直到所有科目都得到回答，然后它应该停止并显示奖金和最终分数。但不知道为什么它不这样做？请帮忙。
namespace Assignment
{
class Class1
{
public static int attempt, sum, AptScore, GenScore, MathScore, EngScore, bonus, TotalScore, FinalScore, choice = 0;
public static string ans;
static void Main(string[] args)
{
bool stop = false;
Console.WriteLine("Welcome to this Salisbury University IQ Test game");
Console.WriteLine();
Console.WriteLine("How many times have you attempted this test?");
attempt = Convert.ToInt32(Console.ReadLine());
while (true)
if (attempt > 1)
{
Console.WriteLine("You cannot take this test");
}
else
{
Console.WriteLine(" \n1. Aptitude \n2. English. \n3. Math \n4. Gk \n5. Exit");
choice = Convert.ToInt32(Console.ReadLine());
switch (choice)
{
case 1:
Console.WriteLine(" What was the name of the lebanon tyrant who ruled for years unending before he was toppled due to civil war? \nA. Osama Bin laden \nB. Gaddafi \nC. Jonathan ");
ans = Console.ReadLine();
if (ans == "B" || ans == "b")
{
AptScore += 10;
}
break;
case 2:
Console.WriteLine(" What is the antonym of Pleasure? \nA. Pain \nB. Ecstacy \nC. Wonder");
ans = Console.ReadLine();
if (ans == "A" || ans == "a")
{
EngScore += 10;
}
break;
case 3:
Console.WriteLine(" What is the sum of 435 and 345? \nA. 799 \nB. 780 \nC. 600 ");
ans = Console.ReadLine();
if (ans == "B" || ans == "b")
{
MathScore += 10;
}
break;
case 4:
Console.WriteLine(" What year did Nigeria become a republic? \nA. 1960 \nB. 1963 \nC. 1990 ");
ans = Console.ReadLine();
if (ans == "B" || ans == "b")
{
GenScore += 10;
}
break;
case 5:
Environment.Exit(0);
break;
}
if (stop)
break;
TotalScore = MathScore + GenScore + EngScore + AptScore;
Console.WriteLine("Your total score is : " + TotalScore);
if (TotalScore == 10)
{
Console.WriteLine(" You have no Bonus point ");
}
else if (TotalScore == 20)
{
bonus += 2;
Console.WriteLine("Your Bonus is {0}", bonus);
}
else if (TotalScore == 30)
{
bonus += 5;
Console.WriteLine("Your Bonus is {0}", bonus);
}
else if (TotalScore == 40)
{
bonus += 10;
Console.WriteLine("Your Bonus is {0}", bonus);
}
else
{
FinalScore = TotalScore + bonus;
Console.WriteLine("Your finalscore is : " + FinalScore);
}
switch (FinalScore)
{
case 10:
if (FinalScore >= 10)
{
Console.WriteLine("Your IQ level is below average");
}
break;
case 22:
if (FinalScore >= 22)
{
Console.WriteLine("Your IQ level is average");
}
break;
case 35:
if (FinalScore >= 35)
{
Console.WriteLine("You are intelligent");
}
break;
case 40:
if (FinalScore == 40)
{
Console.WriteLine("You are a genius");
}
break;
default:
break;
}
}
}
}
}