What will be the output of the following C++ code? #include #include using namespace std; int add (int num, ...) int sum = 0; va_list args; va_start (args,num); for (int i = 0; i < num; i++) int num = va_arg (args,int); sum += num; va_end (args); return sum; int main (void) int total = add(8, 1, 2, -1, 4, 12, -2, 9, 7); cout << "The result is " << total; return 0;

Answer: Option A