What will be the output of the following C++ code?

#include <iostream>
#include <string>
#include <cstdlib>
 
using namespace std;
 
void func(const int &a)
{
	int temp = 10;
	a = temp;
	cout<<a;
}
 
int main(int argc, char const *argv[])
{
	int a = 5;
	func(a);
	return 0;
}

A. A variable that stores the size of another variable B. A variable that stores the address of another variable C. A variable that stores a reference to another variable D. None of the above

A. ptr *type; B. type ptr; C. type *ptr; D. ptr type;

A. Address of x B. Garbage value C. Compilation error D. 5

A. *ptr B. ptr* C. &ptr D. ptr