What Will the Following Code Display?
#Include ≪iostream>
Using Namespace $\quad$

Multiple Choice

What will the following code display?
#include <iostream>
Using namespace std;
Void showDub(int) ;
Int main()
{
$\quad$ int x = 2;
$\quad$ showDub(x) ;
$\quad$ cout << x << endl;
$\quad$ return 0;
}
void showDub(int num)
{
$\quad$ cout << (num * 2) << endl;
}

A) 2
2
B) 4
2
C) 2
4
D) 4
4