设有如下程序:Private Sub Command1_Click()DimSum As Double,xAsDoublesum=0n = 0For i= 1 To5x
设有如下程序: Private Sub Command1_Click() Dim Sum As Double, x As Double sum=0 n = 0 For i= 1 To 5 x = n / i n = n + 1 sum=sum+x Next End Sub 该程序通过For循环计算一个表达式的值,这个表达式是
A.1+1/2+2/3+3/4+4/5
B.1+1/2+2/3+3/4
C.1/2+2/3+3/4+4/5
D.1+1/2+1/3+1/4+1/5