单项选择题

在窗体上画一个名称为Command1的命令按钮,然后编写如下事件过程:
Private Sub Command1_Click( )
Dim x As Integer,y As Integer
x=41 : y=54
Call sub1(x,y)
x=x+1
Print x;y
End Sub
Private Sub sub1(n As Integer,ByVal m As Integer)
n=n Mod 10
m=m\10
End Sub
程序运行后,单击命令按钮.则窗体上显示的内容是______。

A.41 54
B.2 54
C.1 3
D.42 3