单击命令按钮时，下列程序的执行结果是
Private Sub Book( x As Integer)
x=x2+1
If x＜6 Then
Call Book(x)
End If
x=x 2 + 1
Print x;
End Sub
Private Sub Command2_Click( )
Book 2
End Sub

A．23 47
B．10 36
C．22 44
D．24 50

单击命令按钮时，下列程序的执行结果是 Private Sub Book( x As Integer) x=x*2+1 If x＜6 Then Call Book(x) End If x=x * 2 + 1 Print x; End Sub Private Sub Command2_Click( ) Book 2 End Sub