我被这个聪明的问题困住了。我找不到一个可定制的解决方案。我正在尝试使用foreach打印列表的列表。这是代码：

int i = 0;
StringBuilder sb = new StringBuilder();
foreach (var subList in result)
{
 i++;
 Console.WriteLine(sb.Append("******\n").Append("Group ").Append(i).Append(" - ").
                    Append("Number of students: ").Append(subList.Count()).Append("\n").Append("   
               Name:").Append("\n"));
 var exp = subList.GetEnumerator();
 while (exp.MoveNext())
 {
  Console.WriteLine(sb.Append("         ").Append(exp.Current.ToString()).Append("\n"));
 }
}

我试图得到这个结果（例如）：

Group 1 - Number of students: 3
   Name:
    this
    is
    a
Group 2 - Number of students: 3
  Name:
    test
    again
    and-again 

等等。问题是，我总是得到这样的信息（每次都是从foreach打印出来的）：

Console.WriteLine(sb.Append("******\n").Append("Group ").Append(i).Append(" - ").
         Append("Number of students: ").Append(subList.Count()).Append("\n").Append("   
             Name:").Append("\n"));

像这样：

******
Group 1 - Number of students: 3
   Name:
******
Group 1 - Number of students: 3
   Name:
         this
******
Group 1 - Number of students: 3
   Name:
         this
         is
******
Group 1 - Number of students: 3
   Name:
         this
         is
         a

并对列表的其余部分依此类推。谁能指导我解决这件事。任何帮助都非常感谢。