Which statement is true about a$2.$p$?$

#include

using namespace std;

class A

$\{$

public:

int $*$p;

A$()$

$\{$

this$->$p $=$ new int;

$\}$

$\}$;

int main$($int argc, char const $*$argv$[])$

$\{$

A a$1,$ a$2$;

$*($a$1.$p$)=2$;

a$2=$ a$1$;

return $0$;

$\}$

Group of answer choices

a$2.$p is a pointer pointing to the memory address that a$1.$p is pointing at$.$

a$2.$p is a pointer pointing to the memory address of a$1.$p$.$

a$2.$p is a pointer pointing to the memory address that contains the same value as what a$1.$p is containing.

a$2.$p is a pointer pointing to the memory address that contains the same value as the memory address that a$1.$p is pointing at$,$ and these two memory addresses are not the same.

a$2.$p and a$1.$p has the same value.