You want to create a valid directory structure for your Java EE web application， and your application usestag files and a JAR file. Which three must be located directly in your WEB-INF directory（NOT in asubdirectory of WEB-INF）？（）

• A、The JAR file
• B、A directory called lib
• C、A directory called tags
• D、A directory called TLDs
• E、A directory called classes
• F、A directory called META-INF