For miles around me there was nothing but a desert, without a single plant or tree ______.

A．on earth

B．in sight

C．at a distance

D．in place

在窗体上画一个命令按钮，然后编写如下程序：
Function fun(ByValnum As Long) As Long
Dim k As Long
k=1
num=Abs(num)
Do While num
k=k*(num\10)
num=num\10
Loop
fun=k
End Function

Private Sub Command1_Click()
Dim n As Long
Dim r As Long
n=InputBox("请输入一个数")
n=CLng(n)
r=fun(n)
MsgBox r
End Sub
程序运行后，单击命令按钮，在输入对话框中输入234，消息框显示的结果为 【14】 。