执行下面 C++ 程序，会输出（ ）。
int main() {
ofstream fout("test.txt");
fout << "Happy" << endl;
fout << "New Year";
fout.close();
ifstream fin("test.txt");
string s1, s2;
fin >> s1;
getline(fin, s2);
fin.close();
cout << s1 << "|" << s2;
return 0;
}
- A. Happy|New Year
- B. Happy| New Year
- C. HappyNew Year|
- D. Happy|
正确答案：D