What is the output of the program?

exams CPA-21-02 V1 CPA-21-02 exam 0 Comments

What is the output of the program?

#include <iostream>

#include <string>

using namespace std;

int main()

{

string s1="Hello";

string s2="World";

s1+=s2;

cout << s1;

return (0);

}
A . It prints: HelloWorld
B . It prints: Hello
C . It prints: World
D . It prints: HelWorld