What value is retuned by the following function? int result (const au, int n { int k =0; for (int i- 1n;) if (a> alk return k; 1//end result Select one: O a. Value of the smallest element in the first n elements of a. O b. Number of elements in a. O c. Index of the largest element in the first n elements in a. O d. Value of the largest element in the first n elements of a. O e. Index of the smallest element in the first n elements of a