窗体中有3个命令按钮,分别命名为Command1、Command2和Command3。单击Command1按钮时,Command2按钮变为可用,Command3按钮变为不可见。在下列Command1的单击事件过程中,正确的是( )。
A.private sub Command1_Click()
Command2.Visible=true
Command3.Visible=false
End Sub
B.private sub Command1_Click()
Command2.Enable=true
Command3.Enable=false
End Sub
C.private sub Command1_Click()
Command2.Enable=true
Command3.Visible=false
End Sub
D.private sub Command1_Click()
Command2.Visible=true
Command3.Enable=false
End Sub