which three are valid EL expressions for retrieving the advice property of advisor?

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 for retrieving the advice property of advisor? (Choose three.)

A.
${foo.advice}

B.
${request.foo.advice}

C.
${requestScope.foo.advice}

D.
${requestScope[foo[advice]]}

E.
${requestScope[“foo”][“advice”]}

F.
${requestScope[“foo”[“advice”]]}

Explanation: