WHICH_AMONG_THE_FOLLOWING_CAN‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•T_BE_USED_FOR_POLYMORPHISM??$#

• A. Static member functions
• B. Member functions overloading
• C. Predefined operator overloading
• D. Constructor overloading