问题详情

运行下列程序：
Private Sub form_Click()
s = InputBox("请输入一个字符A：")
Select Case Asc(s)
Case Is > 65
n = String(3, UCase(s))
Case Is = 65
n = String(3, LCase(s))
Case Else
n = s
End Select
Print n
End Sub
从键盘输入A，输出的结果是()。
A.aaa
B.AAA
C.65
D.a