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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"]}
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