为了避免流程图在描述程序逻辑时的灵活性，提出了用方框图来代替传统的程序流程图，通常也把这种图称为______。

A．15
B．18
C．21
D．24

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