单项选择题

阅读程序:
Private Sub Form_Click()
  Dim num As Integer, digit As Integer
  num = InputBox("输入数据")
  Do While num <> 0
    digit = num Mod 10
    num = num \ 10
    Print digit;
  Loop
End Sub
程序运行后,如果从键盘上输入12345,则输出结果为________。

A.1 3 7 5 9
B.5 4 3 2 1
C.2 4 6 8 10
D.1 2 3 4 5