A.Static arrl(3) rrl(1)=100 arrl(2)="Hello" arrl(3)=123.45 B.Dim arr2()As Integer Dim size As Integer Private Sub Command2_Click() size=inputBox('输入:") ReDimarr2(size) End Sub C.OptionBase 1 Private Sub Command3_Click() Dim arr3(3) As Integer End Sub D.Dim n As Integer Private Sub Command4_Click() Dim arr4(n)As Integer End Sub