What is the output of the program?

exams CPA-21-02 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