选择题：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

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按钮变为可用，Command3按钮变为不可见。下列Corn．mandl的单击事件过程中，正确的是

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