单项选择题

程序段如下,当发生Form_Click事件时,窗体上输出的结果是( )。
Option Explicit
Private x As Integer
Public y As Integer
Sub Test()
Dim y as integer
x=2:y=2
Print"x1=";x;"y1=";y
End Sub
Private Sub Form_Click()
x=1:y=1
Test
Print "X2=";x;"y2=";y
End Sub

A.x1=2 y1=2
x2=2 y2=1
B.x1=2 y1=2
x2=2 y2=2
C.x1=2 y1=1
x2=2 y2=2
D.x1=2 y1=1
x2=2 y2=1