单项选择题

下列程序的执行结果为   Private Sub Comrnandl_Click( )    Dim p As Integer, q As Integer    p=12:q=20    Call Value(p, q)    Print p; q   End Sub   Private Sub Value(ByVal m As Integer, ByVal n As Integer)    m=m * 2: n=n - 5    Print m; n   End Sub

A.20 12  20 15
B.12 20  12 25
C.24 15  12 20
D.24 12  12 15