[单选题]

有如下程序段：Private Sub Command1_Click( ) Dim a As Integer a=2 For i=1 To 3 Print G(A)Next iEnd SubFunction G(a As Integer) b=0 Static c b=b + 1 c=c + 1 G=a + b + cEnd Function运行上面的程序后，单击命令按钮，输出结果为
A．1 2 3
B．2 3 4
C．4 5 6
D．1 4 6

有如下程序段：Private Sub Command1_Click( ) Dim a As Integer a=2 For i=1 To 3 Print G(A)Next iEnd SubFunction G(a As Integer) b=0 Static c b=b + 1 c=c + 1 G=a + b + cEnd Function运行上面的程序后，单击命令按钮，输出结果为A．1 2 3B．2 3 4C．4 5 6D．1 4 6