[单项选择题] 下列程序的执行结果为
Private Sub Command1_Click()
Dim x As Integer,Y As Integer
x=12:y=20
Call Value(x,y)
Print x;y
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
B.12 20
C.24 15
D.24 12
20 1 12 25 12 20 12 15