单击命令按钮时,下列程度段的执行结果为( )。 Private Sub Command1_Click() Dim a As Integer, b As Integer, c As Integer a=2:b=4:c=6 Call S1(a, B) Print a= ; a; b= ; b; c= ; c Call S2(a, B) Print a = ; a; b = ; b; c= ; c; End Sub Private Sub S1(x As Integer, y As Integer) Dim c As Integer x=2*x:y=y+2:c=x+y End Sub Sub S2(x As Integer, ByVal y As Integer) Dim e As Integer x=2*x:y=y+2:c=x+y End Sub
A.a=4 b=6 e=6 a=4 b=6 e=6
B.a=8 b=6 c=6 a=8 b=6 c=6
C.a=4 b=6 e=6 a=8 b=6 e=6
D.a=8 b=6 c=6 a=4 b=6 c=6