有以下程序代码 : Private Sub Command1_Click () Print fun(10), fun(5) End Sub Private Function fun(n As Integer) As Integer Static t For k = 1 To n t = t + k Next k fun = t End Function 执行 Command1_Click 过程产生的输出是 ________ 。
【单选题】If C represents aggregate consumption, Id represents domestic investments, G represents government expenditures, E represents national expenditures on goods and services, X represents foreign demands ...