有以下程序：Option Base 1Dim arr()As IntegerPrivate Sub Form_Click()Dim i As Integer,j As IntegerReDim arr(3,2) FOr i=1 To 3For j=1 To 2an"(i,J)=i*2+jNext j Next iReDim Preserve arr(3,4)For j=3 To 4arr(3,j)=j+9Next jPrint arr(3,2)；arr(3,4)End Sub程序运行后,单击窗体,输出结果为【 】

A．8 13

B．0 13

C．7 12

D．0 0

he area for unloading goods in warehouse is（）

A.receiving space   

B.shipping space 

C.receive area 

D.collecting area