Which two are true？ （）

• A、 The foo initialization parameter CANNOT be set programmatically.
• B、 Compilation fails because getlnitParameter returns type Object.
• C、 The foo initialization parameter is NOT a servlet initialization parameter.
• D、 Compilation fails because ServletContext does NOT have a getlnitParameter method.
• E、 The foo parameter must de defined within the  element of the deployment  descriptor.
• F、 The foo initialization parameter can also be retrievedusing getSErvletConfig（）.  GetlnitParameter （“foo”）.