窗体中有3个命令按钮,分别命名为Commandl、Command2和Command3。当单击Cmmandl按钮时,Command2按钮
A.Private Sub Commandl—click() Command2.ViSible=True Command3.ViSible=False End Sub
B.Private Sub Commandl_click() Command2.Enabl ed=True Command3.Enabl ed=False End Sub
C.Private Sub Commandl_C1ick() Command2.Enabled=True Command3.ViSible=False End Sub
D.Private Sub Commandl_C1ick() Coiihmand2.Vi s ible:True Command3.Enabled=False End Sub