Given: 11. 12.request.setAttribute("map", map); 13.map.put("a", "true"); 14.map.put("b", "false"); 15.map.put("c", "42"); %> Which three EL expressions are valid and evaluate to true?()
A. ${not map.c}
B. ${map.d or map.a}
C. ${map.a and map.d}
D. ${map.false or map.true}
E. ${map.a and map.b or map.a}