We must make sure that public facilities(设施)in the newly-built building, like the restroom and the lift, are     .

A．impressive

B．independent

C．accessible

D．remarkable

下列程序的功能是：弹出一个对话框询问用户是否输出，如果是，则输出：否则结束。请填空。
Sub PrintOut()
Dim a As Integer
a=MsgBox("输出结果",vblnformation+vbYesNo，"提示：")
If a=______Then
Print "Myresult"
End If
End Sub