单项选择题

单击按钮时,以下列程序运行后的输出结果是
Private Sub proc1(x As Integer,y As Integer,z As Integer)
x=3*z
y=2*z
z=X+y
End Sub
Private Sub Command1_Click( )
Dim x As Integer,y As Integer,z As Integer
x=1:y=2:z=3
Call proc1(x,x,2)
Print x;x;z
Call proc1(x,y,y)
Print x;y;y
End Sub

A.6 6 12
6 6 10
B.9 5 10
5 10 10
C.9 6 12
9 10 15
D.9 5 10
5 4 10
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