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
Dim s As String
s = "2013-2014"
x = Int(Rnd(1)) + 100
y = Val(Left(s, 3))
Select Case x + y
Case Is > 301
Print "分支1"
Case 300 To 301
Print "分支2"
Case Is < 301
Print "分支3"
End Select
End Sub
程序运行时,单击Command1,则在窗体上输出的结果是______。

A.分支1
B.分支2
C.分支3
D.无任何输出