Which of the following describes how to set the Read-only attribute on a folder？（）

• A、Right-click the folder > Properties > Security tab > select the username from the list > Permissions > clear the box labeled Read > OK
• B、Open the folder > Tool > Folder Options > General tab > Read-only > OK
• C、Open the Command Prompt > type attrib r [drive：][path] > Enter
• D、Open the Command Prompt > type attrib +r [drive：][path] > Enter
• E、Right-click the folder > Properties > General tab > Attributes > select Read-only > OK