Given： 11.% java.util.Map map = new java.util.HashMap（）； 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、${map.a and map.b or map.a}
Given： 11.<% java.util.Map map = new java.util.HashMap（）； 12.request.setAttribute（"map"， map）； 13.map.put（"a"， "true"）； 14.map.put（"b"， "false"）； 15.map.put（"c"， "42"）； %> Which three EL expressions are valid and evaluate to true？（）
- A、${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}
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