Click the Exhibit butt

Click the Exhibit button. Given： 11.<% com.example.Advisor advisor = new com.example.Advisor（）； %> 12.<% request.setAttribute（"foo"， advisor）； %> Assuming there are no other "foo" attributes in the web application，which three are valid EL expressions forretrieving the advice property of advisor？（）

• A${foo.advice}
• B${request.foo.advice}
• C${requestScope.foo.advice}
• D${requestScope[foo[advice]]}
• E${requestScope["foo"]["advice"]}