one multiple choice question

Code4.0 // Punction Objects // function object. CPP #include class Compare Order order; public: Compare (Order o) ! order (o) () bool operator () (T6 a, T. b) const { return order -- Order:: ascending ? a b a void sort (T* a, int n, const CompareCT for (int i =n-1; i >0; i--) { for (int - 0; j void display (T* a, int n) for (int i 0: 1 i++) std::cout (Order ascending) display (a, n) sortia, n. Compare int> (Order:descending) ) diaplay (a, n) Answer Questions 11 using Code 4.0 11 Compare is a: Function object b. Function pointer Lambda function d. All of the above e. None of the above