What will be the output of the following?#include using namespace std;int main(){int arr[] = {11, 51, 81, 91, 61, 71, 31, 41, 21};int n = sizeof(arr) / sizeof(arr[0]);sort(arr, arr + n, greater());cout

• A. 0
• B. Abnormal termination of program
• C. 11 21 31 41 51
• D. 91 81 71 61 51 41 31 21 11